The type of breath shown in the flow-volume loop below is which of the following?

A) Pressure support ventilation (PS
B) Continuous positive airway pressure (CPA
C) Pressure-controlled continuous mandatory ventilation (PC-CM
D) Spontaneous without support

Question

The type of breath shown in the flow-volume loop below is which of the following?

A) Pressure support ventilation (PS
B) Continuous positive airway pressure (CPA
C) Pressure-controlled continuous mandatory ventilation (PC-CM
D) Spontaneous without support

Quizplus · Accepted Answer

Part of the flow-volume curve occurs to the left of the y-axis; this reflects a drop in pressure during inspiration (pressure value becomes negative)and an increase in pressure with exhalation (pressure becomes positive).

The Type of Breath Shown in the Flow-Volume Loop Below