An increase in % inspiratory time on the CareFusion 3100A would cause which of the following? 1. Alteration in the symmetry of the oscillator waveform 2. Decrease in the frequency 3. Increase in the airway pressure 4. Decrease in volume
a. 1 and 2 c. 1 and 3
b. 2 and 4 d. 3 and 4
ANS: C
An increase in % inspiratory time would cause more time to be spent in the inspiratory phase, so the symmetry of the waveform would be altered. The change to % inspiratory time would also cause an increase in airway pressure. This change should be readjusted by using the power con-trol.
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