During pressure-targeted modes of ventilatory support, the volume delivered depends on which of the following? 1. Set pressure limit 2. Patient lung mechanics 3. Patient effort
a. 1 and 2 only
b. 1 and 3 only
c. 2 and 3 only
d. 1, 2, and 3
ANS: D
The volume delivered during pressure-controlled modes varies with changes in set pressure, pa-tient effort, and lung mechanics.
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