Ventilatory capacity is determined by which of the following? 1. Central nervous system (CNS) drive 2. Trigger level 3. Muscle strength 4. Muscle endurance
a. 1 and 3 only
b. 1, 2, and 3 only
c. 2 and 4 only
d. 1, 3, and 4 only
ANS: D
Ventilatory capacity is determined by (1) CNS drive, (2) ventilatory muscle strength, and (3) ventilatory muscle endurance.
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