During mechanical ventilation, a mandatory breath is defined as one that is:

a. initiated or terminated by the machine.
b. initiated and terminated by the machine.
c. initiated and terminated by the patient.
d. begun according to a preset time interval.


ANS: A
A mandatory breath is a breath for which the machine sets the start time and/or the tidal volume. That is, the machine triggers and/or cycles the breath.

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