NBRC Mock TMC Exam Review Questions
And Answers
A patient is receiving O2 from an E cylinder at 4 L/min through a
nasal cannula. The cylinder pressure is 1900 psig. How long will the
cylinder run until it is empty?
A. 47 min
B. 1.7 h
C. 2.2 h
D. 3.6 h - - -
correct answer ✅E cylinder = 0.28
1900x0.28/4 = 133/60 = 2.21
Answer: C. 2 hours, 21 minutes
After the Respiratory Therapist sets up a nonrebreathing mask on a
patient at a flow rate of 10 L/min, the reservoir bag collapses
before the patient finishes inspiring. The RT should do which of the
following?
A. Change to a simple mask at a flow rate of 10 L/min
B. Remove the one-way valve from the exhalation port.
C. Place the patient on continuous positive airway pressure (CPAP)
,NBRC Mock TMC Exam Review Questions
And Answers
D. Increase the flow rate to 15 L/min - - -
correct answer ✅D. Increase the flow rate to 15 L/min
A patient with carbon monoxide (CO) poisoning can best be treated
with which of the following therapies?
A. Nasal Cannula at 6 L/min
B. Simple O2 mask at 10 L/min
C. CPAP and 60% O2
D. Nonrebreathing mask - - -
correct answer ✅D. Nonrebreathing mask
The following blood gas levels have been obtained from a patient
using a 60% aerosol mask.
pH: 7.47
PaCO2: 31 mmHg
PaO2: 58 mmHg
What should the RT recommend at this time?
, NBRC Mock TMC Exam Review Questions
And Answers
A. Place the patient on CPAP
B. Increase the O2 to 70%
C. Intubate and place the patient on mechanical ventilation
D. Change to a nonrebreathing mask - - -
correct answer ✅A. Place the patient on CPAP
Given the following data, what is the patient's total arterial O2
content?
pH: 7.41
PaCO2: 37 mmHg
PaO2: 88 mmHg
HCO3: 26 mEq/L
SaO2: 95%
Hb: 14 g/dL
A. 12 mL/dL
B. 14 mL/dL
C. 16 mL/dL
And Answers
A patient is receiving O2 from an E cylinder at 4 L/min through a
nasal cannula. The cylinder pressure is 1900 psig. How long will the
cylinder run until it is empty?
A. 47 min
B. 1.7 h
C. 2.2 h
D. 3.6 h - - -
correct answer ✅E cylinder = 0.28
1900x0.28/4 = 133/60 = 2.21
Answer: C. 2 hours, 21 minutes
After the Respiratory Therapist sets up a nonrebreathing mask on a
patient at a flow rate of 10 L/min, the reservoir bag collapses
before the patient finishes inspiring. The RT should do which of the
following?
A. Change to a simple mask at a flow rate of 10 L/min
B. Remove the one-way valve from the exhalation port.
C. Place the patient on continuous positive airway pressure (CPAP)
,NBRC Mock TMC Exam Review Questions
And Answers
D. Increase the flow rate to 15 L/min - - -
correct answer ✅D. Increase the flow rate to 15 L/min
A patient with carbon monoxide (CO) poisoning can best be treated
with which of the following therapies?
A. Nasal Cannula at 6 L/min
B. Simple O2 mask at 10 L/min
C. CPAP and 60% O2
D. Nonrebreathing mask - - -
correct answer ✅D. Nonrebreathing mask
The following blood gas levels have been obtained from a patient
using a 60% aerosol mask.
pH: 7.47
PaCO2: 31 mmHg
PaO2: 58 mmHg
What should the RT recommend at this time?
, NBRC Mock TMC Exam Review Questions
And Answers
A. Place the patient on CPAP
B. Increase the O2 to 70%
C. Intubate and place the patient on mechanical ventilation
D. Change to a nonrebreathing mask - - -
correct answer ✅A. Place the patient on CPAP
Given the following data, what is the patient's total arterial O2
content?
pH: 7.41
PaCO2: 37 mmHg
PaO2: 88 mmHg
HCO3: 26 mEq/L
SaO2: 95%
Hb: 14 g/dL
A. 12 mL/dL
B. 14 mL/dL
C. 16 mL/dL
