RESPIRATORY CARE EXAM REVIEW (FIFTH EDITION) BY GARY PERSING | TMC
PRACTICE TEST | STUDY GUIDE 2026/2027
The physician orders a 35% aerosol mask to be set up for a patient who requires an inspiratory
flow of 42 L/min. What is the minimum flow rate to which the flow meter must be set to meet
this patient's inspiratory flow demands?
A. 6 L/min
B. 8 L/min
C. 10 L/min
D. 12 L/min - correct answer ✔✔Answer: B. 8L/min
Explanation:
A premature 3-week-old infant is receiving 2 L/min of O2 via a nasal cannula and has a PaO2 of
43 torr and a PaCO2 of 40 torr. The respiratory therapist should recommend which of the
following?
A. Increase the cannula flow to 2 L/min
B. Intubate and institute mechanical ventilation
C. Initiate CPAP of 4 cmH2O and 50% O2
D. Increase the cannula flow to 5L/min - correct answer ✔✔Answer: C. Initiate CPAP of 4
cmH2O and 50% O2
Explanation: The patient is in type I respiratory failure and the CPAP with the 50% O2 will help
open up the alveoli and improve gas exchange
A patient arrives in the emergency department after being pulled from a burning house. The
respiratory therapist should recommend obtaining which of the following measurements to be
determine the severity of the patient's smoke inhalation?
A. SpO2
PRACTICE TEST | STUDY GUIDE 2026/2027
The physician orders a 35% aerosol mask to be set up for a patient who requires an inspiratory
flow of 42 L/min. What is the minimum flow rate to which the flow meter must be set to meet
this patient's inspiratory flow demands?
A. 6 L/min
B. 8 L/min
C. 10 L/min
D. 12 L/min - correct answer ✔✔Answer: B. 8L/min
Explanation:
A premature 3-week-old infant is receiving 2 L/min of O2 via a nasal cannula and has a PaO2 of
43 torr and a PaCO2 of 40 torr. The respiratory therapist should recommend which of the
following?
A. Increase the cannula flow to 2 L/min
B. Intubate and institute mechanical ventilation
C. Initiate CPAP of 4 cmH2O and 50% O2
D. Increase the cannula flow to 5L/min - correct answer ✔✔Answer: C. Initiate CPAP of 4
cmH2O and 50% O2
Explanation: The patient is in type I respiratory failure and the CPAP with the 50% O2 will help
open up the alveoli and improve gas exchange
A patient arrives in the emergency department after being pulled from a burning house. The
respiratory therapist should recommend obtaining which of the following measurements to be
determine the severity of the patient's smoke inhalation?
A. SpO2
