Nbrc Mock Tmc Exam Review 47 Questions And Answers

After connecting a nasal cannula to the humidifier outlet, you kink the tubing and hear a whistling noise coming from the humidifier. Which of the following most likely has caused this? A. The humidifier jar is cracked B. The capillary tube in the humidifier is disconnected C. The humidifier has no leaks D. The top of the humidifier is not screwed on tightly {Ans: C. The humidifier has no leaks}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 {Ans: E cylinder = 0.28 1900x0.28/4 = 133/60 = 2.21 Answer: C. 2 hours, 21 minutes}After a bronchoscopy, the RT notes that it is taking more ventilator pressure to ventilate the patient's lungs than before the procedure. This could be caused by which of the following? 1. Bronchospasm 2. Pneumothorax 3. Hypoxemia 4. Pulmonary hemorrhage A. 1 and 2 only B. 2 and 3 only C. 1, 2, and 4 only D. 2, 3, and 4 only {Ans: C. 1, 2, and 4 only}A