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

?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.