NBRC Mock TMC Exam Review Questions And Answers With Latest Solutions
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NBRC Mock TMC
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NBRC Mock TMC
NBRC Mock TMC Exam Review Questions
And Answers With Latest Solutions
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
...
NBRC Mock TMC Exam Review Questions And Answers With Latest Solutions 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 cylinde r 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 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 o f 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 A patient with carbon monoxide (CO) poisonin g 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 The following blood gas levels have been obtained from a patient u sing 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% C. Intubate and place the patient on mechanical ventilation D. Change to a nonrebreathing mask ✔✔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 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 The respiratory therapist receives an order to set up a moderate level of O2 on a patient who arrives in the ED breathing a t a rate of 35 breaths/min. Which of the following O2 delivery devices is most appropriate to use in this situation? A. Simple O2 mask at 10 L/min B. Nasal cannula at 4 L/min C. NRB Mask at 15 L/min D. Air -entrainment mask at 40% O2 ✔✔D. Air -entrainment mask at 40% O2 A severe COPD patient arrives in the emergency department on a 2 L/min nasal cannula. Arterial blood gas results follow: pH: 7.32 PaCO2: 67 mmHg PaO2: 62 mmHg HCO3: 38 mEq/L Which of the following is the most appropriate recommendation? A. Increase the liter flow to 4 L/min B. Maintain the current O2 level C. Institute noninvasive positive pressure ventilation (NPPV) D. Place on a NRB mask at 12 L/min ✔✔B. Maintain the current O2 level The physician has ordered O2 to be set up on a pat ient who has a spontaneous tidal volume of 500 mL and an inspiratory time of 1 second. Which of the following O2 delivery devices will deliver a flow that meets or exceeds this patient's inspiratory flow?
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