The limit variable set on a mechanical ventilator will do which of the following?
a. End inspiration
b. Begin inspiration
c. Control the maximum value allowed
d. Control the minimum value allowed
ANS: C
A limit variable is the maximum value a variable can attain. It limits the variable during inspira-tion but does not end the inspiratory phase. The cycle setting ends inspiration. The trigger varia-ble begins inspiration, and there is no control over the minimum value.
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