What is the expiratory time shown in the flow-time scalar below?

a. 1 second
b. 1.5 second
c. 2 seconds
d. 2.5 seconds


ANS: B
The first breath ends at 1 second and the second breath begins at 2.5 seconds. Therefore, the ex-piratory time is 2.5 seconds minus 1 or 1.5 second.

Health Professions

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