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NBRC Mock TMC Exam Review 2024 Questions and Answers 2024 / 2025 (Verified Answers by Expert)
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NBRC Mock TMC Exam Review 2024 Questions and Answers 2024 / 2025 (Verified Answers by Expert)
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NBRC Mock TMC Exam Review.pdf file:///C:/Users/HP/Desktop/TYPA%20NEW/NBRC%20Mock%20NBRC Mock TMC Exam Review
1. 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 E cylinder = 0.28
1900x0.28/4 = 133/60 = 2.21
Answer C. 2 hours, 21 minutes
2. 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
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B. Remove the one-way valve from the exhalation port.
C. Place the patient on continuous positive airway pressure (CPAP)
D. Increase the flow rate to 15 L/min
ANS D. Increase the flow rate to 15 L/min
3. 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
ANS D. Nonrebreathing mask
4. The following blood gas levels have been obtained from a patient using a 60% aerosol
mask.
pH 7.47
PaCO2 31 mmHg
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PaO2 58 mmHg
What should the RT recommend at this time?
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
ANS A. Place the patient on CPAP
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5. 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
D. 18 mL/dL
(Hb x 1.36 x SaO2) + (0.003 x PaO2) (14 x 1.36 x 0.95) +
(0.003 x 88)
18.088 + 0.264
= 18.352
Answer
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