Regarding mechanical loads in the context of mechanical and spontaneous ventilation, how is the load expressed in terms of work?

A. Work expresses load as the integral of volume over pressure.
B. Work expresses load as the integral of flow over volume.
C. Work expresses load as the integral of pressure over volume.
D. Work expresses load as the integral of volume over flow.


?ANS: C
A. Incorrect response: See explanation C.
B. Incorrect response: See explanation C.
C. Correct response: Work expresses load as the integral of pressure over volume (W = PdV).
D. Incorrect response: See explanation C.

Health Professions

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