NBRC TMC/CRT/RRT ACTUAL EXAM
The
QUESTIONS AND ANSWERS 2024 Updated
respiratory therapist should evaluate which of the following to develop a teaching plan
for a patient who will be using a small volume nebulizer at home? - ANSWER manual
dexterity
Which of the following would be most beneficial in resolving microatelectasis? -
ANSWER Bronchoscopy
A 45 year-old patient is recovering in the intensive care unit after undergoing a surgical
procedure to repair a hernia. The patient remains unconscious. To prevent soft tissue
obstruction, the respiratory therapist should recommend a(n) - ANSWER oropharyngeal
airway
A respiratory therapist is considering a patient's readiness to wean from mechanical
ventilation. To determine the A-aDO2, the therapist will need which of the following? -
ANSWER ABG and alveolar oxygen tension
A patient with increased airway resistance from a fixed upper airway obstruction would
benefit most from which of the following? - ANSWER heliox therapy
Evaluating MIP (maximum inspiratory pressure) is most useful in evaluating which of the
following? - ANSWER inspiratory muscle strength
An air-entrainment jet nebulizer is set at 50%. The respiratory therapist analyzes the
oxygen coming from the end of the tubing and finds it is 60%. Which of the following
most likely explains this finding? - ANSWER excess water in the tubing
During the preoperational test of the ventilator, the respiratory therapist notices the
galvanic analyzer on the ventilator is reading erroneously low. Which of the following
can the respiratory therapist do to correct the problem? - ANSWER change the fuel cell
Which of the following is most likely to increase nosocomial infection in a hospital? -
ANSWER poor hand washing among staff
While monitoring a patient receiving mechanical ventilation, the respiratory therapist
notices the low-pressure and low exhaled volume alarms are sounding. Which of the
following could be the cause? - ANSWER disconnected thermistor line
A patient receiving positive pressure ventilation has a low-pressure alarm sounding.
Which of the following could be the cause? - ANSWER a fracture in the plastic wye
, The high pressure alarm is sounding on a patient receiving volume controlled
ventilation. The respiratory therapist should FIRST - ANSWER provide manual
ventilation
Which of the following medications is shown to have sufficient affect when facial muscle
twitching is observed? - ANSWER Anectine (succinylcholine chloride)
A respiratory therapist is preparing to measure SVC on a patient in the emergency
department. Which of the following equipment is required? - ANSWER respirometer
A respiratory therapist is asked to determine a patient's inspiratory muscle strength.
Which of the following equipment is required for this evaluation? - ANSWER pressure
manometer
A respiratory therapist is ordered to do a bedside assessment of the effectiveness of a
bronchodilator on a patient with an acute asthmatic episode. Which of the following
equipment will be needed to perform this evaluation? - ANSWER peak flow meter
Which of the following pressures is most consistent with a normal pulmonary artery
pressure (PAP)? - ANSWER 25/8 mmHg
A patient receiving heliox therapy at 70%/30% mixture by non-rebreathing mask has the
following arterial blood gas results:
pH 7.35 PaCO2 45 mmHgPaO2 110 mmHgHCO3- 24 mEq/LBE 0 mEq/L
Which of the following actions is appropriate? - ANSWER change to an 80%20% heliox
mixture
A COPD patient complains of shortness of breath while exercising with a 2 L/min nasal
cannula. During exercise, SPO2 is noted to fall to 84%. Which of the following would be
most helpful to the patient during exercise? - ANSWER use an air-entrainment mask set
at 28%
A patient in the emergency room is receiving oxygen by nasal cannula at 3 L/min. Blood
gases reveal the following:
pH 7.53 PaCO2 30 mmHgPaO2 51 torrHCO3- 23 mEq/LBE -1 mEq/L
The respiratory therapist should immediately - ANSWER place the patient on a non-
rebreathing mask
A patient is showing signs of respiratory distress with a respiratory rate to 30/min and a
spontaneous tidal volume of 800 mL. The patient is receiving oxygen at 60% by large
volume nebulizer with the flow set at 10 L/min. The respiratory therapist should suggest
to - ANSWER increase flow to 15 L/min
The physician orders a change in I:E ratio from 1:2 to 1:4 for a COPD patient receiving
volume-cycled mechanical ventilation. Which of the following accommodates the
The
QUESTIONS AND ANSWERS 2024 Updated
respiratory therapist should evaluate which of the following to develop a teaching plan
for a patient who will be using a small volume nebulizer at home? - ANSWER manual
dexterity
Which of the following would be most beneficial in resolving microatelectasis? -
ANSWER Bronchoscopy
A 45 year-old patient is recovering in the intensive care unit after undergoing a surgical
procedure to repair a hernia. The patient remains unconscious. To prevent soft tissue
obstruction, the respiratory therapist should recommend a(n) - ANSWER oropharyngeal
airway
A respiratory therapist is considering a patient's readiness to wean from mechanical
ventilation. To determine the A-aDO2, the therapist will need which of the following? -
ANSWER ABG and alveolar oxygen tension
A patient with increased airway resistance from a fixed upper airway obstruction would
benefit most from which of the following? - ANSWER heliox therapy
Evaluating MIP (maximum inspiratory pressure) is most useful in evaluating which of the
following? - ANSWER inspiratory muscle strength
An air-entrainment jet nebulizer is set at 50%. The respiratory therapist analyzes the
oxygen coming from the end of the tubing and finds it is 60%. Which of the following
most likely explains this finding? - ANSWER excess water in the tubing
During the preoperational test of the ventilator, the respiratory therapist notices the
galvanic analyzer on the ventilator is reading erroneously low. Which of the following
can the respiratory therapist do to correct the problem? - ANSWER change the fuel cell
Which of the following is most likely to increase nosocomial infection in a hospital? -
ANSWER poor hand washing among staff
While monitoring a patient receiving mechanical ventilation, the respiratory therapist
notices the low-pressure and low exhaled volume alarms are sounding. Which of the
following could be the cause? - ANSWER disconnected thermistor line
A patient receiving positive pressure ventilation has a low-pressure alarm sounding.
Which of the following could be the cause? - ANSWER a fracture in the plastic wye
, The high pressure alarm is sounding on a patient receiving volume controlled
ventilation. The respiratory therapist should FIRST - ANSWER provide manual
ventilation
Which of the following medications is shown to have sufficient affect when facial muscle
twitching is observed? - ANSWER Anectine (succinylcholine chloride)
A respiratory therapist is preparing to measure SVC on a patient in the emergency
department. Which of the following equipment is required? - ANSWER respirometer
A respiratory therapist is asked to determine a patient's inspiratory muscle strength.
Which of the following equipment is required for this evaluation? - ANSWER pressure
manometer
A respiratory therapist is ordered to do a bedside assessment of the effectiveness of a
bronchodilator on a patient with an acute asthmatic episode. Which of the following
equipment will be needed to perform this evaluation? - ANSWER peak flow meter
Which of the following pressures is most consistent with a normal pulmonary artery
pressure (PAP)? - ANSWER 25/8 mmHg
A patient receiving heliox therapy at 70%/30% mixture by non-rebreathing mask has the
following arterial blood gas results:
pH 7.35 PaCO2 45 mmHgPaO2 110 mmHgHCO3- 24 mEq/LBE 0 mEq/L
Which of the following actions is appropriate? - ANSWER change to an 80%20% heliox
mixture
A COPD patient complains of shortness of breath while exercising with a 2 L/min nasal
cannula. During exercise, SPO2 is noted to fall to 84%. Which of the following would be
most helpful to the patient during exercise? - ANSWER use an air-entrainment mask set
at 28%
A patient in the emergency room is receiving oxygen by nasal cannula at 3 L/min. Blood
gases reveal the following:
pH 7.53 PaCO2 30 mmHgPaO2 51 torrHCO3- 23 mEq/LBE -1 mEq/L
The respiratory therapist should immediately - ANSWER place the patient on a non-
rebreathing mask
A patient is showing signs of respiratory distress with a respiratory rate to 30/min and a
spontaneous tidal volume of 800 mL. The patient is receiving oxygen at 60% by large
volume nebulizer with the flow set at 10 L/min. The respiratory therapist should suggest
to - ANSWER increase flow to 15 L/min
The physician orders a change in I:E ratio from 1:2 to 1:4 for a COPD patient receiving
volume-cycled mechanical ventilation. Which of the following accommodates the
