NBRC Mock TMC Exam Review Questions with Correct Answers

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NBRC Mock TMC Exam Review Questions with Correct Answers 1 / 12 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 RespiratoryTherapist 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) D. Increase the flow rate to 15 L/min: 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: 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 PaO2: 58 mmHg What should the RT recommend at this time? A. Place the patient on CPAP B. Increase the O2 to 70%NBRC Mock TMC Exam Review Questions with Correct Answers 2 / 12 C. Intubate and place the patient on mechanical ventilation D. Change to a nonrebreathing mask: A. Place the patient on CPAP 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: D. 18 mL/dL [Show More]

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