7. After starting volume-cycled mechanical ventilation on a patient in respiratory failure with a VT of 10 ml/kg, you measure and obtain a plateau pressure of 45 cm H2O. Which of the following actions would you recommend to the patient’s physician?

21. What is the normal range for P(A−a)O2 in a healthy 30-year-old person breathing room air?

22. What is considered normal for the PaO2/FIO2 ratio?

24.  What is the best single measure of effective ventilation in the intensive care unit patient?

9. In which of the following clinical conditions is noninvasive positive pressure ventilation (NPPV) NOT recommended?

8.  All the following are hazards associated with mechanical ventilation except:

19. Temporary variation in pulmonary artery pressure readings due to movement of the hemodynamic monitoring line is an example of what type of variability?

15.  A chronic obstructive pulmonary disease (COPD) patient receiving ventilatory support in the CMV assist-control mode at a rate of 14 and a VT of 750 ml exhibits clinical signs of air-trapping. Which of the following would you recommend to correct this problem? I. Decrease “E” time. II. Increase the inspiratory flow rate. III. Decrease the assist-control rate.

29. Which of the following factors is not associated with an increased risk for auto-PEEP?

5. Pressure support ventilation can be used in what modality? I. SIMV II. A/C III.CPAP IV. T-tube trial