The pressure maintained at the airway during exhalation is known as which of the following?
a. Baseline c. Sensitivity
b. Proximal d. Mean airway
ANS: A
Baseline pressure is the pressure maintained at the airway during exhalation and the pressure from which inspiration begins. Proximal pressure is the pressure measured near the Y-connector of the ventilator circuit. Sensitivity is the control set by the operator that determines the amount of work the patient must do to trigger a breath. The mean airway pressure is the average pressure occurring in the airway during a complete respiratory cycle.
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