Browse all practice questions for the NBRC Therapist Multiple-Choice (TMC) Practice Exam. Search by topic, open any question and review its full explanation, then test yourself in the practice quiz.

NBRC Therapist Multiple-Choice (TMC) Practice Exam course image
ABG results with an unrealistically high PO2 point to possible laboratory error rather than true oxygenation statusWhat do the ABG analysis results of pH 7.36, PCO2 43, PO2 288, HCO3 24, BE -2, and SO2 100% most likely indicate for a patient receiving FiO2 of 0.30?How albuterol helps in asthma: quick relief from bronchoconstriction and how it worksWhat is the main purpose of Albuterol when used by a patient with asthma?How supplemental oxygen at 5 L/min helps reduce the heart's workload when ECG shows inverted T wavesWhat should a respiratory therapist suggest for a patient showing inverted T waves on an ECG to decrease the work of the heart?Understanding Heliox Gas Therapy in Clinical SettingsWhen using heliox gas therapy, what is the total flow delivered to a patient at an indicated flow rate of 10 L/min with a 70%/30% mixture?Understanding how Xolair is administered for effective treatmentBy what route is Xolair (omalizumab) administered?Understanding Key Interventions for Acute Respiratory FailureWhat is indicated for a patient with acute respiratory failure and elevated CO2 levels?Understanding the Best Position for Chest Physiotherapy to Clear Upper Lobe SecretionsIn which position should a patient be placed to receive chest physiotherapy for secretions in the upper lobes, anterior segments of the lungs?Understanding the Impact of Increased Tidal Volume during Mechanical VentilationWhat does an increase in tidal volume during mechanical ventilation indicate?Understanding the Importance of Capnometers in Pulmonary Embolism AssessmentWhich device would best assist in assessing a patient for possible pulmonary embolism?Understanding the Quickest Way to Ventilator LiberationWhich of the following generally represents the quickest, most effective method for ventilator liberation?Understanding the Role of Echocardiograms in Diagnosing Congenital Heart ConditionsWhat is the role of an echocardiogram in diagnosing complex congenital heart conditions?Understanding the Role of PEEP in Managing Hypoxia and Cardiac OutputWhat is indicated if a patient presents with signs of hypoxia and a severely decreased cardiac output?Understanding the Role of Vane Respirometers in Calculating RSBIWhich device can the respiratory therapist use to calculate a patient's rapid shallow breathing index?Understanding the Use of Potassium Chloride in Metabolic AlkalosisWhat is the primary purpose of administering potassium chloride in a patient with metabolic alkalosis?Understanding Tracheal Shift and Its Implications in Respiratory ConditionsWhich condition could cause a tracheal shift to the right?What is Maximum Voluntary Ventilation and Why Does It Matter?What pulmonary function test is being measured when a patient inhales and exhales maximally for 12 seconds?What to Expect in Blood Gas Findings During COPD ExacerbationWhen treating a patient with known COPD during an exacerbation, what blood gas finding is expected?What You Should Know About Inotropic Medications and Heart Contraction StrengthA medication is said to have inotropic properties. What function of the heart is most likely changed when these types of drugs are administered?When a patient with myasthenia gravis presents with pneumonia, the first step is antibiotic therapyWhat immediate treatment is indicated for a patient with myasthenia gravis who presents with pneumonia?When confusion hits after surgery, switching to a volume-type device helps patients perform incentive spirometry more effectivelyA post-operative adult patient demonstrates confusion on how to use an incentive spirometer. What should the therapist do?Where is the best spot to place a chest tube for a pneumothorax? Right side, second intercostal space at the mid-clavicular lineIn a patient with a confirmed pneumothorax, where should the chest tube be placed?Why Incentive Spirometry is Key After Bariatric SurgeryWhat is a highly effective method for preventing complications in a patient post-bariatric surgery?
More practice questions

These questions are part of the practice quiz. Start practicing

  • What instruction should be provided to a patient with COPD using a small-volume jet nebulizer for bronchodilator treatment?
  • A patient receiving VC SIMV ventilation has a spontaneous tidal volume of 500 mL and a respiratory rate of 20/min. What is the RSBI value?
  • BID is a common frequency order for which of the following respiratory medications?
  • What position should a respiratory therapist place the patient in to address areas with increased infiltrates?
  • Which of the following are the advantages of a tracheostomy airway?
  • What is the most appropriate alteration in therapy for a patient with PVCs during postural drainage?
  • In a patient with ARDS who is receiving mechanical ventilation, what should be decreased to improve their outcome?
  • How long must a bronchoscope be soaked in Cidex to effectively disinfect it after use on a tuberculosis patient?
  • What postural drainage position is most conducive to draining the basal, anterior, and lateral segments?
  • When should a respiratory therapist consider suctioning a patient on mechanical ventilation?
  • When should a respiratory therapist utilize vibration therapy?
  • In providing care to a patient on mechanical ventilation, what is the purpose of the positive end-expiratory pressure (PEEP)?
  • In the presence of elevated PaCO2 levels during mechanical ventilation, which factor should be assessed first?
  • What is the significance of a negative inspiratory force (NIF) result of -4 cm H2O in a weaning patient?
  • What should be considered if a patient on mechanical ventilation shows a flow-time graph with inadequate exhalation phase before the next inspiratory phase?
  • A patient with moderate ventilatory distress is placed on 70/30% heliox by a nonrebreather. What should the therapist do if the reservoir on the mask collapses completely with each breath?
  • Which equipment is required to evaluate a patient's inspiratory muscle strength?
  • What intervention is indicated for a postoperative patient having difficulty with mucus expectoration and bilateral rhonchi?
  • Which medical condition should a respiratory therapist consider for anticoagulant treatment with Lovenox?
  • Which ventilator mode is most suitable to help recruit alveoli?
  • An aerosolized bronchodilator is being administered to a patient. The dose is 5.0 mL and the drug strength is 2.0%. How many milligrams of the drug will be administered?
  • The results of a V/Q scan show poor perfusion with adequate ventilation. A chest radiograph shows a wedge-shaped infiltrate over the right lung field. The patient most likely has:
  • In patients experiencing hypoxia, what is the primary goal of treatment?
  • What is the primary purpose of aqueous quality control material in blood gas analysis?
  • What condition is indicated by the abnormal elevation of the left hemidiaphragm on a chest radiograph?
  • A thoracentesis is performed by inserting a large bore needle into the pleural space between the:
  • What is most likely indicated by an elevated central venous pressure (CVP)?
  • When calculating staffing levels for a shift, which factor should be included?
  • What kind of monitoring should be focused on when examining pulmonary function metrics for irregularities?
  • According to the ACLS guidelines, where should the needle be placed during decompression of a tension pneumothorax?
  • In terms of respiratory therapy, how does supplemental oxygen aid patients with COPD?
  • What is the appropriate action when a newborn has a poor APGAR score indicating a need for immediate assistance?
  • If the apices of the lung are not level on a PA chest radiogram, what could be the most probable reason?
  • Which treatment should be recommended for a patient experiencing atrial arrhythmias and complaining of light-headedness?
  • What is the most appropriate method for sterilizing used needles in a biohazard container?
  • Which clinical data is most crucial for assessing the effectiveness of incentive spirometry?
  • What is an important consideration when administering Xopenex via SVN through a ventilator circuit?
  • What likely causes fluctuating SpO2 in a patient with ketoacidosis receiving oxygen via air-entrainment mask?
  • What is indicated by a high arterial carbon dioxide (PCO2) level in an ABG analysis?
  • What is the priority action when a patient in assist/control mode exhibits significant respiratory distress?
  • Which is the most appropriate modification for a patient experiencing distress during postural drainage and percussion?
  • Which device should NOT be used with a face mask for respiratory therapy?
  • Which of the following findings is most closely associated with increased airway resistance?
  • Given a patient with alkalosis and normal CO2 levels, what should the respiratory therapist recommend?
  • For a patient with a low PEEP alarm, what should a respiratory therapist investigate first?
  • What is the likely cause of low-pressure and low exhaled volume alarms in a mechanical ventilation scenario?
  • Which patient assessment will be crucial for those in the intensive care unit with altered mental status?
  • In which order should airway clearance therapies be administered?
  • When performing cardiac compressions on a patient in complete cardiac arrest and a gastric rupture is suspected, what should the RT anticipate?
  • Which therapy is most effective for a patient with depressed diaphragmatic muscle strength needing assistance in expectorating secretions?
  • After using a bronchoscope on a patient with a staphylococcus infection, which method should be used to sterilize the equipment?
  • What adjustment should be made to a ventilator if the rate appears to be lagging behind the set rate?
  • In the context of respiratory therapy, what condition is indicated by a decreasing plateau pressure?
  • Which of the following agents is most helpful for controlling a gram-positive bacterial infection in a patient allergic to penicillin?
  • For a patient receiving volume-controlled ventilation, which of the following will not result in increased mean airway pressure?
  • If a patient’s flow-volume loop shows a significant increase in peak flow after bronchodilator administration, what does this indicate?
  • Which parameter should a therapist monitor to ensure appropriate ventilation during pressure adjustments in a mechanical ventilator?
  • What should be done if a 14-year-old patient with tachycardia on heliox needs adjustment to increase oxygen delivery?
  • During positive pressure ventilation, what might a low tidal volume indicate in a patient?
  • What device would a therapist use to measure exhaled tidal volume when calculating a patient's RSBI?
  • What is the minute ventilation for a 180-lb (82-kg) patient with VA 6.1 L and a respiratory rate of 10?
  • What is the best method for confirming proper placement of an endotracheal tube immediately following intubation?
  • What should a respiratory therapist recommend for a 5-year-old child with a fever, difficulty breathing, and drooling?
  • What symptom would indicate a severe respiratory impairment in a mechanically ventilated patient?
  • What typically causes a sharp rise in the TcO2 tracing of a newborn on monitoring?
  • What is the key indicator that signifies the need for CPAP in a hypoxic patient?
  • Which determinations would help screen a mechanically ventilated patient for pulmonary embolism?
  • A ventilator is sounding alarms for low temperature and low volume. What is the likely cause?
  • What significant threat to ventilation occurs during fiberoptic bronchoscopy?
  • When evaluating a patient for acid-base balance and ventilation status, what indicates a need for further investigation?
  • What would be an appropriate test to evaluate suspicion of restrictive lung disease without prior medical history?
  • In a case of a patient with hyperlucency in the left chest, where should the chest tube be placed?
  • L/min/m2 is the unit of measure for:
  • What medication would be ineffective when attempting to accommodate a cough reflex during bronchoscopy?
  • A patient in the ICU for treatment of right-sided pneumonia would optimize gas exchange in which position?
  • Which assessment finding would best indicate a need for increased oxygen flow in a patient receiving supplemental oxygen?
  • For a patient with an elevated white blood cell count, what likely condition is suspected?
  • What is the best initial action if a patient's oxygen saturation is fluctuating while on a high flow oxygen device?
  • In CPAP therapy, which type of resistor is not responsible for pressurizing the circuit?
  • What kind of anti-ischemic medications would cause dilation of the coronary vessels?
  • What should be the nurse's first action if a patient with an arterial line starts to show signs of distal ischemia?
  • What principle governs the management of hypoventilation in ventilated patients?
  • Which condition may be suggested if PECO2 is increasing significantly in a patient receiving mechanical ventilation?
  • What would be most helpful in determining where to focus chest physiotherapy on a patient with mucoviscidosis?
  • What does the visibility of the vertebrae through the heart shadow indicate in a chest radiograph?
  • What could explain an unusually high arterial oxygen level for a patient breathing room air?
  • What should a therapist do if a nonrebreather mask reservoir collapses completely during heliox therapy?
  • In mechanical ventilation, what does consistent observation of increasing PECO2 signify in relation to alveolar ventilation?
  • For a patient with a history of cor pulmonale receiving oxygen at 2 L/min, which action is most appropriate to achieve a target SpO2 of 90%?
  • What is the primary risk associated with the use of high doses of supplemental oxygen?
  • If the tip of a pulmonary artery catheter is positioned incorrectly over the right mid lung, what should be done?
  • When preparing for an arterial blood gas analysis in a patient in cardiac arrest, why is femoral artery puncture indicated?
  • What is the minimum flow rate that should be set on a volume-controlled ventilator?
  • After a patient tolerates poorly a nebulizer treatment with mucomyst, what is the next appropriate action?
  • What are the recommended actions following the inflation of a pulmonary artery catheter balloon to aid its positioning?
  • What change is expected after removing 5 inches of mechanical deadspace on a ventilator circuit?
  • What would be the primary consequence of using a large hole in a nasal cannula during oxygen therapy?
  • An AHI of 5 in a patient undergoing polysomnography indicates what condition?
  • A patient with COPD and no reduction in bacteria level after various antibiotic therapies should be recommended which medication?
  • A sharp rise in the CO2 on a capnograph during mechanical ventilation indicates what event?
  • What intervention is typically considered when a patient's arterial blood gas indicates respiratory acidosis?
  • While estimating alveolar minute ventilation for a patient, the therapist identifies a dead space of 150 mL. What is the reported alveolar minute ventilation if the exhaled VT is 450 mL?
  • What action should a respiratory therapist take if a patient is not exhaling completely before the next inhalation cycle during IPPB treatment?
  • In screening a patient suspected of having pulmonary embolism, which of the following determinations is most helpful?
  • In assessing a patient experiencing hypoventilation, what initial changes might be noted?
  • During ventilator weaning, which action is most likely to assist a patient experiencing increased labor of breathing?
  • Which condition would a thoracentesis be most appropriate for?
  • Which of the following is needed to calculate alveolar oxygen tension?
  • After abdominal surgery, which position is best for a patient on volume-control ventilation to prevent ventilator acquired pneumonia?
  • What is the most effective way to ensure medication delivery via SVN to a mechanically ventilated patient?
  • Which quality improvement effort is appropriate for a respiratory therapy department?
  • If calibration results for a spirometer using a 3.0 L syringe show a maximum variance outside 2.85 L - 3.15 L, what does this indicate?
  • In the case of a ventilation emergency, what oxygen delivery should a COPD patient receive?
  • What should a respiratory therapist conclude if they observe a very flat pressure-volume loop during VC A/C ventilation?
  • What is the most common complication associated with the placement of a pulmonary artery catheter?
  • What should a respiratory therapist do if a pneumotachometer shows a measurement of 2.86 L after injecting a 3.0 L syringe?
  • In a patient weighing 70 kg with a minute ventilation requirement of 15 L/min, what condition likely explains this increased ventilation?
  • Which test result would be most helpful for determining the need for Bi-level therapy with supplemental oxygen?
  • A patient with ARDS may benefit most from which medication to decrease alveolar surface tension?
  • A patient is demonstrating increased work of breathing and remains hypoxic despite supplemental oxygen by nonrebreathing mask. What should the respiratory therapist recommend?
  • A patient with decreasing pulmonary compliance is on volume-controlled ventilation with an I:E ratio of 1:2 and shows increased atelectasis. What change should be made for this patient?
  • A patient who is positive for pneumocystis carinii pneumonia should be treated with which agent?
  • What does the placement of a pulmonary artery pressure catheter tip over the right lower lung field indicate?
  • During placement of a pulmonary artery catheter, what does a consistent fluctuation in pressure from 0 mmHg to 25 mmHg indicate?
  • A patient transferred to the ICU after surgery has low BP and dusky color. What should the therapist do first?
  • For a patient rescued from a fire, which assessment is most helpful in evaluating smoke inhalation?
  • Which device is necessary for a respiratory therapist to determine a patient's RSBI?
  • What ABG result is expected for a patient with an acute on chronic episode of COPD?
  • What could cause a higher oxygen percentage than the set FIO2 in an air-entrainment device?
  • What is the most common complication associated with endotracheal intubation?
  • What might cause complications during weaning from a ventilator?
  • If a patient receives 4 mL of a drug solution at a strength of 1.5%, how many milligrams of the drug are administered?
  • What is the appropriate action for a patient with asthma on volume-controlled mechanical ventilation exhibiting autoPEEP?
  • Which values are necessary to complete the analysis of the VD/VT ratio?
  • How many milliliters are required to deliver 25 mg of a medication at a strength of 5%?
  • Which laboratory examination is crucial for assessing a patient with diabetic ketoacidosis?
  • A patient on volume-controlled ventilation has a blood gas indicating adequate ventilation but is hypoxic. If PEEP is increased and cardiac index drops significantly, what should the therapist do next?
  • What should a respiratory therapist do first when a patient complains of their transtracheal oxygen catheter connection popping off?
  • Which indication justifies the use of FiO2 1.0 on a patient?
  • What condition typically causes a decrease in pulmonary compliance in patients with ARDS?
  • Which therapy is least invasive and can be used to rid secretions from the upper airway?
  • When initiating mechanical ventilation, what factors should be adjusted for optimal flow rates?
  • What would NOT increase if the inspiratory flow is increased on a time-cycled ventilator with no pressure limit?
  • A patient has a deadspace to tidal volume ratio of 75%. If the PaCO2 is 40 mm Hg, what is the expected PECO2?
  • Increased asthma exacerbations during stressful times at school is most closely associated with which type of asthma?
  • A patient is suffering from severe mitral-valve stenosis. What clinical data is expected when using a balloon-tipped pulmonary artery catheter?
  • Which ventilator setting is most likely to contribute to respiratory alkalosis in a patient?
  • With a one-minute APGAR score of 5, what additional equipment would be most helpful for a newborn?
  • Which factor can affect the effectiveness of a nebulizer treatment?
  • During oxygen rounds, if an oxygen flow meter reads 0 L/min despite the knob being open, which issue is most likely the cause?
  • While suctioning blood from the trachea with a bronchoscope following tissue extraction, the scope suddenly demonstrates no suction pressure at the end of the scope. The RT should check the:
  • When alveolar recruitment is effective, how will the pressure-volume ventilator graphic appear?
  • For a patient with severe respiratory distress, which type of medication would most directly address bronchospasm?
  • A patient remains hypoxic while receiving supplemental oxygen at FIO2 0.45 by air-entrainment device. What should the respiratory therapist recommend?
  • During mechanical ventilation, what implication does an increase in Vd/VT have on patient care?
  • Under what condition is it most critical to maintain a proper seal with an infant resuscitator mask?
  • In the event of a patient vomiting during postural drainage, what is the respiratory therapist's first action?
  • Which of the following would indicate that the prescribed airway clearance efforts are effective?
  • How many milliliters of aerosolized medication should be prepared to deliver 30 mg of that same drug if the strength is 1.5%?
  • When a physician orders a chest radiograph for a suspected pneumonia in an ambulatory patient, which type of radiograph should be ordered?
  • Which of the following items is part of a high-frequency jet ventilator system?
  • What is the impact of an increased A-aDO2 gradient greater than 300 mm Hg?
  • A patient on bi-level therapy shows signs of hypoventilation. What adjustment should be made?
  • After abdominal surgery, a patient shows low blood pressure and dusky color. What should the respiratory therapist assess first?
  • What does a widening C(a-v)O2 indicate?
  • A therapist observes a sudden low return volume alarm on a ventilator. What is the likely cause?
  • Which finding during a physical assessment suggests an obstructive lung disorder?
  • What is the best method for monitoring the pulmonary compliance of a patient with ARDS on mechanical ventilation?
  • In mechanical ventilation, which parameter is crucial for avoiding barotrauma?
  • To conclusively diagnose a bacterial infection in a patient with pneumonia, what test is most definitive?
  • Which measurement is most helpful for evaluating a patient's compliance with a smoking cessation program?
  • In which interspace should a chest tube be inserted to drain serosanguinous fluid?
  • What is the effect of increasing mechanical deadspace on PaCO2?
  • For an adult patient requiring mechanical ventilation, what is an initial ventilatory setting for tidal volume?
  • What effect does nitric oxide (NO) have on pulmonary vascular resistance?
  • A patient complains of an inability to stare at his computer screen at work without a tendency to fall asleep. What can be done to screen the patient for sleep apnea?
  • In a volume-controlled ventilation scenario for a patient with asthma, what is the most appropriate change to address high CO2?
  • When inserting a nasal pharyngeal airway, what is a key step to ensure proper placement?
  • How is the accumulation of exhaled CO2 prevented in a nasal CPAP mask?
  • Which calculation can be used to determine Total Lung Capacity (TLC)?
  • In patients with COPD, what is the maximum recommended oxygen flow rate via nasal cannula?
  • In a patient receiving mechanical ventilation, how is the tidal volume set based on minute ventilation and respiratory rate?
  • What might indicate inadequate ventilation during mechanical ventilation?
  • What does a PaO2 of 75 mm Hg correlate to in terms of SpO2 at normal pH?
  • What is the primary function of the water-seal chamber in a chest tube drainage system?
  • What role does peak expiratory flow rate play in assessing asthma control?
  • To be considered for weaning from VC A/C ventilation, a patient's A-aDO2 should be less than:
  • Which position is best for drainage of the anterior segments of the upper lobes in a patient who can tolerate position changes?
  • What could explain a measurement of FRC being 50% higher by body box compared to helium dilution in a patient?
  • What is the primary purpose of a CBC performed on a patient suspected of internal organ trauma?
  • What joule setting should be used on a bi-phasic defibrillator during unsynchronized conditions for the treatment of V-tach?
  • Which action will decrease mean airway pressure for a patient on a mechanical ventilator in assist/control mode?
  • What is the most likely appearance of a flow-volume pulmonary function loop in a patient with COPD?
  • What does a chemical indicator tape inside a sterilized package indicate?
  • In a scenario where suctioning a tracheostomy tube fails, what should the therapist do first?
  • Which evaluation should the therapist suggest to determine oxygen consumption by tissues?
  • What should be concluded if a pulmonary artery catheter's tip is seen over the right mid lung near the hilum on a chest radiograph?
  • What PEEP level, set above a patient's plateau pressure, is appropriate for initial settings during alveolar recruitment maneuvers?
  • A patient in a sleep lab has an AHI of 55 after a polysomnographic study. What should the respiratory therapist recommend next?
  • Which pulmonary function value is most affected by a large mass in the upper airway?
  • Which of the following medications is both a vasoconstrictor and an agent that increases the strength of cardiac contraction?
  • A patient in a multiple-vehicle accident displays signs of aspiration and significant neck trauma. What should the respiratory therapist recommend?
  • When investigating a patient with COPD who is intubated for pneumonia, what should the therapist look for if low pressure alarms are triggered?
  • What lung function test is best utilized to assess responsiveness to bronchodilators in an asthma patient?
  • What additional equipment should be provided for a chest tube insertion that will be followed by pleurodesis?
  • In the case of carbon monoxide poisoning, which result should the respiratory therapist evaluate for oxygen transport adequacy?
  • In case of a patient receiving oxygen therapy and showing signs of respiratory distress, which is the most appropriate action?
  • Calculate the minute ventilation for a 180-lb (82-kg) patient with a tidal volume of 6.1 L and a respiratory rate of 10.
  • A patient complains of shortness of breath during a nebulizer treatment with hypertonic saline. What should the respiratory therapist do first?
  • If the reservoir bag on a non-rebreather mask is collapsing with each breath, what should the therapist do?
  • What should a therapist recommend if the inflection points indicate a pulmonary artery catheter is improperly placed?
  • If the infrared device used for capnography is not functioning properly, what would be the expected outcome related to PECO2 readings?
  • When calibrating a helium analyzer, what reading should the device display when exposed to ambient room air?
  • What should a patient's Qs/Qt be below to qualify for ventilator weaning?
  • Which calculation can be used to determine functional residual capacity (FRC)?
  • If a patient exhibits worsening symptoms requiring immediate evaluation, what should be the RT's first action?
  • Which equation is used to calculate the cardiac index?
  • What finding on a radiograph may suggest the need for a chest tube?
  • After using the minimum occluding volume technique on an intubated patient, what should the respiratory therapist do next?
  • Which adjustment would help a patient experiencing claustrophobia while using a Venti mask?
  • For a patient experiencing trauma from a serious motor vehicle accident, which maneuver should be used to open the airway?
  • To correct the decreased oxygen concentration for an infant in an oxygen hood, what should the therapist do regarding the nebulizer’s entrainment setting?
  • When adjusting ET tube cuff pressure using the minimal leak technique, what is the first step?
  • Which oxygen setting is least likely to meet a patient’s inspiratory demand when using an air-entrainment device?
  • What should a respiratory therapist do if a patient receiving non-invasive ventilatory support is suspected of having aspirated?
  • What is the first action a respiratory therapist should take for a patient experiencing volume-controlled ventilation after surgery?
  • What therapeutic strategy is commonly employed to manage bronchoconstriction in asthma patients?
  • What should be monitored closely in a patient with increased work of breathing on a ventilator?
  • If a patient exhibits ventilatory distress after tracheostomy tube reinsertion, what should the respiratory therapist do next?
  • If a patient with COPD becomes unconscious and cyanotic while preparing for MDI administration, what should the therapist do?
  • When is the best time to perform postural drainage for a patient with bronchiectasis?
  • What is the appropriate oxygen treatment plan for a patient with chronic congestive heart failure and resting SpO2 of 89%?
  • A patient in the intensive care unit is receiving mechanical ventilation by PC SIMV. What does increasing PECO2 typically indicate?
  • How can functional residual capacity (FRC) be calculated?
  • In the case of a patient exhibiting atrial tachycardia with chest pain, dizziness, and nausea, what is the recommended intervention?
  • A respiratory therapist checks a jet nebulizer with an entrainment setting of 35%, but measures a concentration of 45% with an oxygen analyzer. What is the best explanation for this finding?
  • When a person collapses after showing the universal sign of choking, what should be the first response?
  • What is the percentage of lung collapse at which chest tube insertion is indicated in a partial pneumothorax?
  • A patient with ARDS has ABG results showing pH 7.28, PaCO2 52 mm Hg, and PaO2 62 mm Hg. What should the respiratory therapist recommend?
  • Which is the most suitable technique for a patient with muscular dystrophy and pneumonia who struggles to expectorate secretions?
  • A patient is exhibiting severe hypoxemia with a DNI directive. What should the therapist do to maximize arterial oxygenation?
  • What conclusion might a therapist draw from a chest radiograph indicating fused vertebrae in a patient with kyphoscoliosis?
  • Within 30 minutes of a motorcycle accident, a patient's chest radiograph shows increased vascular markings in the left lung field. What is the most likely explanation for these findings?
  • In the setting of increasing PECO2, what assessment might be critical to perform next?
  • Which value would first indicate hypervolemia in a patient?
  • What effect would increasing PEEP primarily have on a patient during mechanical ventilation?
  • Which calculation will determine inspiratory capacity (IC)?
  • What does a 6-minute walk test evaluate in patients?
  • In the context of mechanical ventilation, what does a steady SpO2 level typically indicate about the patient's oxygenation status?
  • What is the priority approach for a patient with bronchiectasis exhibiting respiratory distress during postural drainage?
  • What is the correct needle size for an arterial puncture on an adult female patient?
  • Which of the following conditions would contraindicate chest percussion for airway clearance?
  • If a patient demonstrates signs of low oxygenation despite the use of a nasal cannula, what is the most appropriate next step?
  • A respiratory therapist is responding to a low pressure alarm for an adult patient on a ventilator with a 6.0 mm ET tube. What should the therapist do?
  • What volume is measured when a patient maximally exhales after passively exhaling normal tidal volume?
  • Upon receiving a low-volume alarm on a ventilator, what should the therapist examine first?
  • In managing post-operative care for a patient on a ventilator, what is a critical component of the respiratory therapist's care plan?
  • How can a respiratory therapist determine if a newborn needs supplemental oxygen based on APGAR scores?
  • What is an appropriate oxygen delivery device for a patient requiring high concentrations of oxygen?
  • What volumes should the respiratory therapist examine to calculate vital capacity?
  • Which condition could lead to an increased risk of aspiration in ventilated patients?
  • In assessing a patient's readiness for extubation, which factor is most critical?
  • Which addition to a mechanical ventilation circuit would most significantly affect arterial carbon dioxide levels?
  • What modality is most suitable for administering helium-oxygen therapy at a mixture of 70/30%?
  • What should a respiratory therapist use immediately after inserting an indwelling arterial line to prevent clot formation?
  • In a patient on mechanical ventilation, which statement is NOT accurate regarding their condition when peak pressures are decreasing?
  • If a home care patient states their oxygen concentrator isn't functioning, what should the therapist advise they check first?
  • A burn trauma patient suspected of carbon monoxide poisoning has a collapsing reservoir bag on a nonrebreathing mask. What should the therapist do?
  • What should the respiratory therapist suspect if a helicopter patient's ventilator frequency and delivered tidal volume are gradually decreasing?
  • Which device is the most appropriate for ensuring airway hydration for a ventilator-dependent patient during the night?
  • In a patient found unconscious with a suspected drug overdose, what should the respiratory therapist recommend considering the provided ABG data?
  • A patient with myasthenia gravis presents with a fever and suspected pneumonia. What immediate treatment is necessary?
  • A respiratory therapist notes a prolonged inspiratory time and variable cycling to exhalation for a patient receiving PS ventilation. What should the therapist check next?
  • What is advised for patients with advanced pulmonary tuberculosis who are expectorating lung tissue?
  • What does a steady pre-operative incentive spirometry goal of 2000 mL indicate for a post-surgical patient?
  • Changes in fluid balance in a patient may indicate which condition?
  • What is the most appropriate first step if a patient on transtracheal oxygen experiences disconnection issues?
  • What should a respiratory therapist recommend for a patient with a high CO2 level who is receiving mechanical ventilation?
  • To evaluate the distribution of inhaled gases in an obstructive patient, which phase of the nitrogen elimination test should be observed?
  • What is a possible cause for unchanged SpO2 values despite increasing PECO2?
  • If a ventilator is not delivering the set tidal volume, what should the respiratory therapist do?
  • In a patient undergoing cardiopulmonary resuscitation with metabolic acidosis, what would be the appropriate recommendation?
  • Which of the following conclusions can be drawn when PECO2 is increasing during mechanical ventilation?
  • Which of the following would constitute a therapeutic use of a flexible bronchoscope?
  • How do corticosteroids support bronchodilation?
  • If a patient in PC SIMV shows increasing PECO2, what does this potentially signify about their respiratory mechanics?
  • What is the best position to drain the lingular, lateral, and medial segments?
  • An 18-year-old patient with muscular dystrophy is receiving treatment for recurrent pneumonia and atelectasis. What should a respiratory therapist recommend in addition to HFCWO?
  • Which value is most helpful in determining the presence of pulmonary emphysema in a patient with moderate obstructive pulmonary impairment?
  • For a 9-year-old asthmatic patient on mechanical ventilation receiving Xopenex, what is an important consideration for effective medication delivery?
  • If a patient on CPAP for obstructive sleep apnea experiences a small occasional leak at the mask, what should the respiratory therapist advise?
  • What is the relative humidity of the inspired gas of a patient who is intubated if the humidity deficit is 33 mg/L?
  • A hospital has an extremely low incidence of ventilator-associated pneumonia. Which of the following reasons may this be attributed to?
  • A motorcycle accident victim presents with massive bleeding. What is the first action a respiratory therapist should take?
  • In which situation is a pulmonary artery catheter most useful?
  • While providing manual ventilation, the respiratory therapist notices little chest movement and a "hissing" sound during manual inspiratory attempts. What should the therapist do?
  • How long will a full E cylinder oxygen tank last when set to run at 5 L/min?
  • What could lead to a sudden low return volume alarm on a positive pressure ventilator?
  • A pressure-volume loop ventilator graphic shows no rise in pressure for the first 200 mL of delivered volume. What should the therapist do?
  • What is the primary goal of using PEEP in mechanically ventilated patients?
  • What would be a useful assessment tool for suspected fixed upper airway obstruction?
  • What is the most critical consideration for a child with a tracheostomy who cannot naturally humidify inspired gases?
  • What could be the issue if a self-inflating bag is easy to squeeze but shows no chest rise after oral intubation?
  • Which factor is critical for ensuring effective oxygen titration in a respiratory therapy department?
  • What is a typical carboxyhemoglobin level for regular, frequent smokers?
  • What should the respiratory therapist do for a patient who is hypoxic but hemodynamically unstable with a cardiac output of 3.4 L/min?
  • In managing a patient suspected of barbiturate ingestion, what is the best course of action to improve oxygenation?
  • A motorcycle accident victim has gentle bubbling in the chest tube drainage system. What action should the therapist take?
  • What is a recommended method to help a patient understand instructions for pulmonary function testing?
  • Which of the following is a potential complication of using a Swan-Ganz catheter?
  • Which medication is appropriate for controlling withdrawal symptoms in a long-term smoker?
  • A newborn becomes apneic and cyanotic during breastfeeding. What condition should be suspected?
  • What is the appropriate action if a patient with an 8.0-mm fenestrated tracheostomy tube has a cuff pressure of 18 mm Hg while breathing spontaneously?
  • What laboratory value indicates effective oxygenation in a patient?
  • If a patient on nasal CPAP is retracting and creating fluctuating baseline pressure, what should the therapist do?
  • For a ventilator set to assist/control mode with an FIO2 of 0.40, what should be the minimum inspiratory flow setting?
  • What can cause a galvanic fuel cell analyzer to read erroneously high?
  • A patient receiving mechanical ventilation is noted to have decreased lung compliance. What is a common cause for this issue?
  • When analyzing ventilatory status, what does a low Vd/VT ratio indicate?
  • What type of infection is Levofloxacin particularly effective against in patients with pulmonary conditions?
  • Given the blood gas and CO-oximeter results indicating conflicting oxygen saturation values, what should the respiratory therapist do?
  • In the case of a patient with suspected barbiturate ingestion, what is the most appropriate immediate intervention?
  • Which of the following would be most helpful at increasing a patient's functional residual capacity after surgery?
  • To effectively drain the right and left posterior segments of the lungs, how should the patient be positioned?
  • What should a respiratory therapist do first when a patient is found less responsive with a weak pulse and a high heart rate?
  • What factors influence the effectiveness of a smoking cessation program?
  • For proper functioning of a small-volume nebulizer, which factor must be considered?
  • In a patient undergoing mechanical ventilation, if SpO2 remains steady while PECO2 increases, what might this suggest about the patient's condition?
  • What is a recommended activity to promote good alveolar aeration in a post-operative patient?
  • Which medication is commonly prescribed for acute bacterial infections when a patient is unable to tolerate penicillin?
  • What is a key strategy in the management of a patient with adult respiratory distress syndrome?
  • What condition is most closely associated with an A-a gradient of 275 mmHg in a mechanically ventilated patient?
  • What would be a primary nursing intervention for monitoring a patient with potential internal bleeding post-abdominal surgery?
  • Which set of data is NOT consistent with a patient diagnosed with mixed restrictive and obstructive pulmonary defects?
  • What is the acceptable percentage range for a pneumotachometer reading when performing quality control?
  • What is the primary concern when using a self-inflating infant resuscitator with a mask?
  • What is a common side effect of aerosolized corticosteroids?
  • If a child's asthma action plan is being followed but they require rescue medication more frequently, what should the parent do?
  • What is the primary preventative measure against potential complications in mechanically ventilated patients?
  • A patient is in status asthmaticus after several unsuccessful bronchodilator treatments. Which medication could be helpful?
  • In emergency ventilation, what is the safest oxygen concentration for a COPD patient?
  • During IPPB treatment, what symptom would indicate a need to decrease sensitivity on the machine?
  • Which procedure is recommended to determine the etiology of a pleural effusion?
  • What action should a respiratory therapist take when a chest tube shows no significant drainage?
  • What is most attributed to effective alveolar recruitment?
  • Which medications can be used to treat candidiasis?
  • Where should blood be extracted for analysis of mixed venous oxygen saturation?
  • During mechanical ventilation, what parameter must be monitored closely post-alveolar recruitment to avoid barotrauma?
  • In a critically ill patient receiving mechanical ventilation, what should the respiratory therapist recommend for fluid overload?
  • From which location should a mixed venous sample for PvO2 measurement be taken?
  • What would you observe in a patient experiencing hypoxemia?
  • In mechanical ventilation, what does the term "PEEP" refer to?
  • What calculation is needed to determine the total milligrams when administering a bronchodilator at 10 mg/hr for 2.5 hours if it’s at a strength of 0.5%?
  • What is the appropriate action when finding excess water in aerosol tubing?
  • Which of the following could cause focal atelectasis in the right lobe?
  • What is the primary risk of continuous leak in a ventilated patient related to the low PEEP alarm?
  • When monitoring a patient on mechanical ventilation, which parameter would indicate an effective tidal volume setting?
  • What condition might cause increased compliance in a patient with ARDS receiving mechanical ventilatory support?
  • How many milliliters of a bronchodilator would be needed to deliver 10 mg of a drug at a strength of 0.5%?
  • Which technique is important to consider when managing a patient with known pulmonary conditions?
  • Which indication would suggest a need for further assessment during the 6-minute walk test?
  • When should a respiratory therapist consider using a higher flow oxygen device for a patient?
  • Which of the following antibiotics would be appropriate for a patient with gram-positive organisms and who is resistant to penicillin?
  • Which of the following is consistent with acute-on-chronic hypercapnia?
  • Which medication is primarily used to anesthetize a patient's airway prior to a flexible bronchoscopy?
  • What is the appropriate cuff pressure for a tracheostomy tube immediately following insertion?
  • Which condition constitutes an emergency requiring 100% oxygen supplementation?
  • An adult patient who weighs 62 kg (132 lb) requires a minute ventilation of 15 L/min to maintain a PaCO2 of 36 mm Hg while receiving mechanical ventilation. Which of the following could explain these ventilatory requirements?
  • Which solution is most beneficial for a patient having difficulty clearing thick secretions while on VC A/C ventilation with HME?
  • Which parameter is a good indicator of respiratory muscle strength in patients on ventilators?
  • What is the primary effect of administering a cardiac inotropic medication?
  • When assessing the effectiveness of suctioning, what is a primary indicator of successful intervention?
  • What should a respiratory therapist do when a patient has difficulty keeping their lips tight around the IPPB mouthpiece?
  • What is the most likely cause if a 12 Fr. suction catheter is difficult to pass through an 8.0-mm ET tube?
  • What positioning would be most helpful in draining the lower lobes and posterior and basal segments?
  • Which sound, if assessed in a pediatric patient in the emergency room, indicates a potentially serious condition?
  • To monitor compliance in a smoking cessation program for pulmonary rehabilitation, which value should be evaluated?
  • What is the main indication for using incentive spirometry in a patient?
  • What should be the first step for a patient on VC, A/C ventilation with poor laboratory data?
  • What is the expected treatment for a patient with a suspected pulmonary embolism?
  • Why might an oxygen flow meter reading higher than the actual flow indicate an issue while using heliox?
  • Which of the following is a common consequence of severe hypoxemia?
  • In terms of therapeutic interventions, what is the primary aim when managing pulmonary tuberculosis?
  • Which oxygen delivery device provides the highest concentration of oxygen?
  • Which medication is primarily used to reduce airway inflammation in asthma patients?
  • For a patient receiving volume-controlled mechanical ventilation, the lower inflection point on a pressure-volume loop can best be described as:
  • What is the most appropriate first step for a suspected case of epiglottitis in a child?
  • What is a potential risk during the inflation of the balloon in a pulmonary artery catheter?
  • When supervising respiratory therapy, which factor is important for ensuring appropriate staffing levels?
  • In the context of heliox therapy, what principle is essential to remember when determining the flow rate?
  • For a patient experiencing an acute on chronic episode with known COPD, which ABG results would be expected?
  • What could cause a sudden increase in intracranial pressure from 15 mm Hg to 25 mm Hg in an NICU patient?
  • To improve gas exchange in a patient with ARDS receiving volume-controlled ventilation, what mode should be used?
  • During spontaneous expiration in a patient on SIMV mode, if the pressure exceeds the set PEEP, what should the therapist do?
  • A 132-kg, 168-cm female who underwent a tracheotomy 2 weeks ago remains in the ICU receiving VC ventilation. After the patient is repositioned, the ventilator high-pressure alarm sounds with each breath. What should a respiratory therapist do first?
  • In the event of a patient developing a tension pneumothorax, which intervention should be implemented first?
  • What does a current oxygen index (OI) of 30 indicate about a patient previously having an OI of 35?
  • During ACLS, if the physician is unable to palpate a radial pulse and BP is 25/5 mm Hg, what should the RT do?
  • Which of the following is the most determinant of cough effectiveness?
  • According to ATS standards, a patient's FEV1 must increase by a minimum of what percent to demonstrate significant postbronchodilator improvement?
  • Which of the following may be used to facilitate a bronchoscopy while providing mechanical ventilatory support?
  • Which of the following types of patients are most often good candidates for alveolar recruitment maneuvers?
  • Which of the following influences the effectiveness of bronchodilator delivery via aerosol devices during mechanical ventilation?
  • What is the minimum inspiratory flow setting for a patient on Assist/control mode with given ventilator parameters?
  • Which medication can be used as a pulmonary vasodilator and for altitude sickness symptoms?
  • While examining a chest x-ray from an adult patient, an RT notes the presence of air bronchograms. Which of the following is the most likely cause?
  • In a patient with chronic obstructive pulmonary disease (COPD), a low respiratory rate and decreased tidal volume are indicative of what condition?
  • Which of the following is an example of a non-visible yet life-threatening trauma?
  • What is the purpose of applying higher-than-normal pressure to the alveoli during recruitment maneuvers?
  • What action should be taken if increasing PECO2 is observed with stable SpO2 in a mechanically ventilated patient?
  • To ensure adequate ventilatory support during a bronchoscopy, what is most helpful for a patient on high levels of PEEP?
  • What could cause an inaccurate exhaled CO2 reading on a capnograph in a ventilator circuit?
  • In which situation might you choose non-invasive ventilation as a treatment modality?
  • What is the primary reason for respiratory distress in a patient being transported in a helicopter at altitude?
  • For an adult patient with asthma having adverse reactions to Albuterol treatments, what modification should be considered?
  • Where is the balloon located on a balloon-tipped, flow-directed pulmonary artery catheter?
  • When adjusting the mandatory rate on a volume control ventilator in a COPD patient, which measure should the RT monitor?
  • In chest x-ray imaging, what causes lung fields to appear whiter?
  • An adult patient in the emergency department is febrile with a temperature of 40 deg C (104 deg F). What should the respiratory therapist recommend based on the ABG analysis?
  • What should the RT do if a high-pressure alarm sounds after adjusting the ET tube cuff pressure?
  • What is the best method to determine if a patient understands instructions for MDI use?
  • When observing a dull percussion note over the lower posterior thorax, which position is most appropriate for postural drainage and percussion?
  • Which medication is commonly used to control inflammation in asthma?
  • What is expected to decrease if inspiratory flow is reduced but the respiratory rate remains unchanged?
  • Which medication is used as a pulmonary vasodilator and to treat symptoms associated with altitude sickness?
  • If a physician wants to keep a patent ductus arteriosus (PDA) open in a newborn with transposition of the great vessels, what is the recommended treatment?
  • What is the optimal tidal volume for a pediatric patient suspected of having impaired gas exchange?
  • Effective alveolar recruitment will be manifested by which of the following clinical outcomes?
  • For a patient on PC, A/C ventilation showing symptoms of hypocapnia, what should the respiratory therapist recommend?
  • What laboratory value is critical for determining the presence of a blood-borne infection?
  • Which imaging technique is best for assessing organ function within the liver?
  • When pronounced 'Q' waves are observed on the ECG of an asymptomatic patient, the RT should:
  • What should the therapist do when blood gas results greatly differ from historical values?
  • A spontaneously breathing patient has the following arterial blood gas results: pH 7.38 PaCO2 42 mmHg PaO2 76 mmHg HCO3- 24 mEq/L BE 0 mEq/L. Which of the following supplemental oxygen levels is most appropriate?
  • What condition might lead to closed nasal passages in a newborn, causing apnea during breastfeeding?
  • Significant presence of protein in the spinal fluid is indicative of which condition?
  • What consequence of prolonged oxygen therapy should a therapist monitor for in a patient receiving high levels of FiO2?
  • When looking at a patient’s ABG results, which change would indicate improvement after alveolar recruitment?
  • When administering epinephrine via an endotracheal tube in cardiac arrest, which procedural consideration is essential?
  • What could the respiratory therapist conclude from inaccurate results using a calibrated syringe for pulmonary function testing?
  • What is the most crucial feature a transport ventilator must have during patient transport?
  • What does a flat pressure-volume loop indicate during mechanical ventilation?
  • What issue should be addressed when a patient continues smoking despite nicotine replacement therapy?
  • For a patient who will be ventilator dependent at home, which device assists in maintaining airway hydration?
  • When a respiratory therapist notices the pressure manometer needle falls back to -10 cm H2O during IPPB therapy, what should they do to address this?
  • For a patient on mechanical ventilation with pneumonia, which action is most appropriate based on the provided arterial blood gas results?
  • What is the primary function of digitalis in patient care?
  • For a patient requiring oxygen therapy, which delivery method is preferable if the patient is showing signs of respiratory distress?
  • A dusky color observed in a patient should prompt the therapist to consider which of the following tests?
  • Upon insertion of a pulmonary artery catheter, where should the tip be located for proper placement?
  • What is typically indicated by crackles upon auscultation following tracheostomy insertion due to subcutaneous emphysema?
  • Which condition may be related to a fluid balance problem in a patient?
  • Which of the following medications may be delivered by instillation down the ETT during ACLS efforts?
  • In the context of ventilation, what is considered a potential indicator for intubation?
  • What is the expected change in delivery methods for a patient prescribed a mixture of helium-oxygen?
  • What medication can be prescribed for a child experiencing increased nighttime wheezing?
  • A patient receiving short-term mechanical ventilation has an HME that has clogged twice with thick secretions. What should the respiratory therapist do?
  • What is the maximum negative pressure recommended for suctioning a 4-year-old patient with a 5.0 mm endotracheal tube?
  • During treatment with aerosolized dornase alpha, what is the best action if a patient exhibits marked congestion and significant coughing?
  • What is the function of a non-rebreathing mask in heliox therapy?
  • For alkaline glutaraldehyde to act as a sterilization agent, how long must non-disposable equipment be soaked?
  • What does steady SpO2 alongside increasing PECO2 indicate in a mechanically ventilated patient?
  • When handling a patient with significant coughing during nebulizer treatment, what is the primary course of action?
  • A patient is being weaned from VC SIMV ventilation. What should the RT recommend when the patient shows disorientation and confusion?
  • What is the most effective method for resolving atelectasis in a spontaneously breathing patient under sedation?
  • Upon auscultation, what radiographic finding is expected in a patient with subcutaneous emphysema?
  • What is the primary purpose of a nonrebreathing mask for a patient with suspected carbon monoxide poisoning?
  • A pneumotachometer is evaluated with a 3.0 L syringe, yielding three different volumes. If these values vary, what conclusion can the respiratory therapist make?
  • During a full cardiopulmonary arrest, what medication is most commonly used to increase systemic blood pressure?
  • In cases of asthma exacerbation, which medication is typically administered for immediate relief?
  • Which method is recommended for a patient on mechanical ventilation requiring chest physiotherapy?
  • Which factor is most likely to contribute to the persistence of microorganisms on reusable mouthpieces after cleaning?
  • What should a respiratory therapist evaluate when having difficulty obtaining an oxygen saturation reading from a pulse oximeter?
  • What should the therapist consider if a post-operative patient's SpO2 is 94% on room air with respiratory distress?
  • Four hours post-CABG, a patient is receiving supplemental oxygen through a nasal cannula at 2 L/min. What is the most appropriate method for evaluating the patient's response to oxygen therapy?
  • What is measured when performing an expiratory hold prior to the next inspiratory phase?
  • A galvanic fuel cell oxygen analyzer may yield erroneous results under which condition?
  • The respiratory therapist notes in the medical record of a patient ordered to receive bronchodilator therapy with Albuterol, who is also on beta-blocker medication. What should the therapist recommend?
  • What is the primary purpose of a 'split' sleep study?
  • For optimal management of a patient with COPD, which oxygen therapy approach is most beneficial?
  • If the distance between plateau pressure and peak inspiratory pressure is decreasing, what does this indicate?
  • Which therapy method is recommended for improving cough effectiveness in patients with impaired inspiratory capacity?
  • Which of the following methods is associated with alveolar recruitment?
  • Which ventilator setting may be increased to improve a patient's autoPEEP situation?
  • What likely condition is indicated by elevated CVP and mPAP values in a patient?
  • A patient with angina and suspected pulmonary hypertension should receive which of the following medications to decrease SVR?
  • In a patient showing inverted T waves on the ECG, what is the appropriate action to decrease the work of the heart?
  • What is the primary advantage of administering aerosolized corticosteroids compared to oral corticosteroids?
  • After ineffective treatment with amoxicillin for a gram-positive bacteria infection, which agent is most likely to be more helpful?
  • Left heart failure would be manifested in which of the following values?
  • Why is vigorous chest physiotherapy not recommended for patients with advanced pulmonary tuberculosis?
  • What condition must be present for oxygen toxicity to be a concern?
  • The best course of action for a respiratory therapist when a patient experiences low SpO2 levels during mechanical ventilation is to?
  • Which infection prevention practice is essential to discuss with healthcare workers in a pediatric hospital setting?
  • In assessing a patient's blood gas, what does a low PaO2 suggest?
  • What is the amount of air that can be forcibly exhaled from the lungs after taking the deepest breath possible?
  • When observing excessive bubbling in a chest tube drainage system along with low tidal volume, what should the therapist consider?
  • When an RT observes a reduction in chest expansion on the left side during palpation of a patient receiving ventilatory support, what should they do first?
  • A 'flat' sound during chest percussion is most commonly associated with which of the following?
  • What does an A-aDO2 of less than 300 mm Hg correlate with in terms of respiratory function?
  • In a mechanical ventilation scenario, what does an elevated pulmonary capillary wedge pressure (PCWP) indicate?
  • For a patient with obstructive airway disease, what would be an appropriate initial treatment?
  • After observing bubbling in a chest drainage system, clamping the tube stops the bubbling. What can be inferred?
  • In the case of increasing PEEP for a patient with ARDS on ventilatory support, what is the expected physiological response?
  • For a patient on bi-level therapy with hypoventilation, what should be done to improve ventilation?
  • After demonstrating how to use an incentive spirometer, what should a therapist instruct the patient to do?
  • Which medication is recommended for promoting bronchodilation when a patient is unresponsive to beta-agonist treatments?
  • A bronchodilator medication whose strength is 0.5% must be delivered by continuous bronchodilator therapy at 10 mg/hr for 2.5 hours. How many mL will be required to be added to the nebulizer?
  • What should the respiratory therapist evaluate to determine if a patient's perfusion is adequate?
  • Which condition is most likely indicated by a PaO2 of 62 mm Hg in an ARDS patient with hypoventilation?
  • Which lung volume measurement method is least affected by obstructive lung disease?
  • What is the most important parameter to monitor when a patient presents with suspected aspiration during respiratory therapy?
  • What is the effect of high-frequency jet ventilation during a bronchoscopy procedure?
  • Blood is found in the exudate retrieved during a thoracentesis. This is most likely associated with:
  • What medication is most appropriate for a patient undergoing volume-controlled ventilation after bariatric surgery?
  • When should a respiratory therapist consider a medication's percentage strength?
  • What first response should be avoided when a patient demonstrates symptoms indicative of choking?
  • In mechanical ventilation, what is the significance of a pressure support that is set too low?
  • In the presence of a high-flow device, what should be checked if a patient is showing signs of hypoxia?
  • In assessing lung compliance during mechanical ventilation, what does a flat pressure-volume loop typically indicate?
  • What approach is indicated when a respiratory therapist treats all patients in the intensive care unit as if they have HIV and hepatitis?
  • Which respiratory therapy intervention is best suited for a patient recovering from smoke inhalation?
  • What assessment can help determine if a patient's FIO2 is adequate?
  • What should a respiratory therapist do if a patient exhibits bronchial breath sounds along with dull percussion notes?
  • For a patient who is unconscious due to serious ingestional error, which assessment is the most critical?
  • What is the most appropriate action for a patient exhibiting hypoxemia with a low cardiac output?
  • What volume is being measured when a patient exhales maximally after inhaling to inspiratory reserve volume?
  • What is the main therapeutic action of nitroglycerin in the context of angina?
  • What might be a clinical priority if PECO2 is increasing while lung function indicators appear normal?
  • The administration of vasoconstrictor medication would most likely result in what outcome?
  • A patient experiences tremors after using Albuterol. What is the appropriate advice for the therapist to give?
  • Which medication should be recommended for a child with asthma to address airway inflammation?
  • Which condition could possibly be present in a patient with elevated CVP and normal PAP?
  • A cardiac chronotropic medication, such as Verapamil, primarily affects which aspect of the heart's function?
  • What should a therapist evaluate when a patient's end-tidal CO2 levels differ significantly from arterial CO2 levels?
  • For close monitoring of a patient with congestive heart failure, what recommendation should the therapist make?
  • Which device is used to monitor exhaled CO2 continuously?
  • From where should a respiratory therapist measure central venous pressure (CVP) when using a Swan-Ganz catheter?
  • What should the respiratory therapist do if a patient's tracheostomy tube is expelled after an explosive cough during hygiene care?
  • What is the natural role of leukotrienes in the body?
  • Which adjustment is likely to significantly affect a patient's partial pressure of carbon dioxide in the blood plasma?
  • When monitoring a patient after a myocardial infarction, what is a good estimation of the pulmonary capillary wedge pressure (PCWP) based on systolic and diastolic pressures of 24 mmHg and 7 mmHg?
  • What is the purpose of the water-seal chamber in a chest tube drainage system?
  • Given the pulmonary function data, how is Functional Residual Capacity (FRC) calculated?
  • A COPD patient is unresponsive during oxygen therapy and the ECG shows ventricular tachycardia. What should the therapist do next?
  • What change should a therapist recommend for a patient on a non-rebreathing mask at 10 L/min?
  • If a patient’s heart rate increases significantly during aerosolized Xopenex treatment, what should the therapist recommend?
  • In a patient with suspected pneumonia, which symptom is a key indicator for further testing?
  • What method can be used to self-screen for the potential presence of sleep apnea?
  • Prior to cardioversion of a patient in ventricular tachycardia with a pulse, what should the respiratory therapist ensure?
  • What is the correct postural position for drainage of the right lateral segment?
  • When monitoring a patient’s respiratory status, what is a sign of respiratory distress that requires immediate attention?
  • Which agent is appropriate for sterilizing a bronchoscope tube after bronchoscopy?
  • What is the primary purpose of Beclovent (beclomethasone) for a patient with asthma?
  • During a bronchoscopy procedure, what complication should the respiratory therapist prepare for if the patient is alert and breathing spontaneously?
  • What type of asthma is categorized as not caused by environmental exposure but rather by internal feelings and stress?
  • What is a common indicator of adequate mechanical ventilation?
  • In a case of suspected myasthenia gravis, which diagnostic procedure is least indicated?
  • After performing a forced vital capacity maneuver, what aspect is assessed to determine measurement consistency?
  • Which intervention is often indicated for a patient exhibiting decreased oxygenation on mechanical ventilation?
  • Which equipment is required for the administration of heliox therapy?
  • In which position should a patient be placed to receive chest physiotherapy for secretions in the upper lobes, anterior segments of the lungs?
  • What can indicate a potential mal-placed tracheostomy tube in a patient exhibiting respiratory distress?
  • A respiratory therapist notes an SpO2 of 97% on 35% oxygen in a post-operative patient. What should be the next step in weaning?
  • If there is an increasing gap between SaO2 values and SvO2 values while the C(a-v)O2 is also increasing, what does this indicate?
  • A manometer is being used to monitor a continuous-flow mask CPAP device set at 10 cm H2O. What is the most likely cause if the pressure decreases to 2 cm H2O upon inhalation?
  • Which statement regarding non-invasive ventilation is correct?
  • What radiographic procedure is useful for diagnosing a pleural effusion?
  • A mechanically ventilated patient on an FIO2 of 1.0 has an A-a gradient of 275 mmHg. What does this finding indicate?
  • Which finding might be present on the chest X-ray of a patient with advanced pulmonary tuberculosis?
  • When caring for a post-bariatric surgery patient with air hunger, what should the respiratory therapist increase?
  • Which defibrillator setting is appropriate for treating a patient with ventricular tachycardia?
  • Why might a fluidically powered transport ventilator deliver fewer breaths than set?
  • What should a respiratory therapist do if a pressure monometer shows +4 cm H2O before using a flow-inflating resuscitator?
Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy