Author Question: Worsening lung compliance during volume-controlled ventilation would cause which of the fol-lowing? ... (Read 55 times)

Pea0909berry · **on:** Jul 16, 2018

Worsening lung compliance during volume-controlled ventilation would cause which of the fol-lowing?

a. A decrease in peak pressure c. A decrease in vol-ume delivery
b. An increase in peak pressure d. An increase in peak flow rate

Question 2

The flow, volume, and pressure waveforms characteristic of volume breaths with a sine-like flow pattern are shown in which column of the figure?

a. A c. C
b. B d. D

lolol · **Reply #1 on:** Jul 16, 2018

Answer to Question 1

ANS: B
During volume-controlled ventilation, the peak inspiratory pressure generated by the delivery of the volume varies according to the characteristics of the lungs. Worsening lung compliance is in-dicative of stiffening lungs. This would cause more pressure to be generated during the delivery of a set volume.

Answer to Question 2

ANS: B
The sine-like flow waveform begins at zero and reaches the maximum inspiratory flow in the middle of inspiration. It then tapers down to zero.