Author Question: Which of the following statements are true concerning the relationship among ACV, PSV, PAV, and ... (Read 27 times)

Bernana · **on:** Jul 16, 2018

Which of the following statements are true concerning the relationship among ACV, PSV, PAV, and airway pressure, respiratory muscle pressure?

A. With ACV, airway pressure and respiratory muscle pressure are proportional.
B. With PSV, airway pressure and respiratory muscle pressure are unrelated.
C. With PAV, airway pressure is inversely related to respiratory muscle pressure.
D. With PAV, airway pressure and respiratory muscle pressure are unrelated.

Question 2

When neurally adjusted ventilatory assist is used, ventilator triggering is independent of which of the following factors? I. lung compliance II. auto-PEEP III. inspiratory time IV. airway resistance

A. I, III only
B. II, IV only
C, I, II, IV only
D. II, III, IV only

abro1885 · **Reply #1 on:** Jul 16, 2018

Answer to Question 1

ANS: B
A. Incorrect response: With ACV, airway pressure and respiratory muscle pressure are inversely related.
B. Correct response: With PSV, airway pressure and respiratory muscle pressure are unrelated.
C. Incorrect response: With PAV, airway pressure and respiratory muscle pressure are proportionally related.
D. Incorrect response: See explanation C.

Answer to Question 2

ANS: C
A. Incorrect response: See explanation C.
B. Incorrect response: See explanation C.
C. Correct response: When a ventilator is neurally adjusted ventilator assist (NAVA) triggered, ventilator triggering is independent of respiratory mechanics (lung compliance and airway resistance), auto-PEEP, and system leaks.
D. Incorrect response: See explanation C.