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EXAM: NBRC Mock TMC Exam Review; Questions and Answers 100% Pass

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EXAM: NBRC Mock TMC Exam Review; Questions and Answers 100% Pass 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 cyli...

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EXAM: NBRC Mock TMC Exam Review; Questions and
Answers 100% Pass

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.

, EXAM: NBRC Mock TMC Exam Review; Questions and
Answers 100% Pass

C. Place the patient on continuous positive airway pressure (CPAP)


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

, EXAM: NBRC Mock TMC Exam Review; Questions and
Answers 100% Pass

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 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

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