Inspiratory Reserve Volume (IRV) is ________
A) functional residual capacity
B) the total amount of exchangeable air
C) the amount of air that can be forcibly inspired above a normal inhalation
D) air inspired after a tidal inhalation
C
Explanation:
A) IRV is not the functional residual capacity.
B) IRV is not the total amount of exchangeable air.
D) IRV is not air inspired after a tidal inhalation.
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