To measure the________________,instruct the patient to inhale as deeply as possible and then exhale as forcefully as possible.
A) Inspiratory reserve volume (IRV)
B) Peak expiratory flow (PEF)
C) Vital capacity (VC)
D) Expiratory reserve volume (ERV)

Question

Quizplus · Accepted Answer

To measure the peak expiratory flow (PEF),instruct the patient to inhale as deeply as possible and then exhale as forcefully as possible through the peak flowmeter.The PEF usually occurs in the first second or two of expiration.

To Measure The________________,instruct the Patient to Inhale as Deeply as Possible