During maximal expiration, the total volume expired is called
A
ERV
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B
VC
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C
FRC
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D
RV
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Solution
The correct option is B VC Vital capacity (VC) is the maximum volume of air a person can expel from the lungs after maximum inhalation. It is about 3 to 5 liters.
The expiratory reserve volume (ERV), is the additional air that can be forcibly exhaled
Functional Residual Capacity (FRC) is the amount of air present in the lungs at the end of passive expiration.
Residual Volume(RV) is the volume of air left in the lungs after maximal exhalation.