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Practice MCAT Question - Q127 - Answer!

If an individual’s vital capacity is 5200ml, her tidal volume is 500ml, and her inspiratory reserve volume is 3600, what is her expiratory reserve volume?

A.  1100ml
B.  1600ml
C.  3100ml
D.  4700ml

The correct answer is (A). Vital capacity is the maximum amount of air that can be exhaled after maximum inhalation (IRV + TV + ERV).

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