What variable begins the inspiratory phase of a ventilator?
a. Cycle c. Control
b. Limit d. Trigger
ANS: D
The trigger variable begins inspiration. The cycle variable ends the inspiratory phase and begins exhalation. The limit is the maximum value for a variable that cannot be exceeded during inspira-tion. The control variable is one of the four elements of breath delivery that the ventilator is ma-nipulating.
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