Question: A patient who is suspected of being hypoxic and is breathing adequately should be given supplemental oxygen with a:

Select one:

1. bag-mask device.

2. B. nonrebreathing mask.

3. C. nasal cannula.

4. D. mouth-to-mask device.

5. Answer: B. nonrebreathing mask.

6. Question:

7. Answer: D. administer oxygen via a nonrebreathing mask.

8. Question:

9. Answer: A. A 31-year-old semiconscious male with low blood sugar and adequate breathing

10. Question: You are ventilating a patient with a stoma; however, air is escaping from the mouth and nose. To prevent this, you should:

11. Select one:

12. A. thrust the jaw forward.

13. B. seal the mouth and nose.

14. C. thoroughly suction the stoma.

15. D. ventilate with less pressure.

16. Answer: B. seal the mouth and nose.

17. Question:

18. Answer: C. It forces the alveoli open and increases the concentration of oxygen in the alveoli.

19. Question: In the presence of oxygen, the cells convert glucose into energy through a process called:

20. Select one:

21. A. anaerobic metabolism.

22. B. perfusion.

23. C. aerobic metabolism.

24. D. respiration.

25. Answer: C. aerobic metabolism.

26. Question: When testing a mechanical suctioning unit, you should turn on the device, clamp the tubing, and ensure that it generates a vacuum pressure of more than:

27. Select one:

28. A. 100 mm Hg.

29. B. 300 mm Hg.

30. C. 400 mm Hg.

31. D. 200 mm Hg.

32. Answer: B. 300 mm Hg.

33. Question: The __________ cartilage is a firm ring that forms the inferior part of the larynx.

34. Select one:

35. A. thyroid

36. B. cricoid

37. C. pyriform

38. D. laryngeal

39. Answer: B. cricoid

40. Question:

41. Answer: D. Patients breathing shallowly may require assisted ventilation despite a normal respiratory rate.

42. Question:

43. Answer: C. when the patient cannot tolerate a nonrebreathing mask.