Lowering the frequency on the CareFusion 3100A or 3100B would do which of the following? 1. Decrease the volume delivered 2. Increase the inspiratory time 3. Increase the volume delivered 4. Increase the mean airway pressure
a. 1 and 2 c. 3 and 4
b. 2 and 3 d. 1 and 4
ANS: C
When the frequency is lowered, the piston is allowed more travel time. This results in greater piston displacement, or more delivered volume, the amount of which is unknown.
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