After forceful inspiration, the amount of air that can be breathed...

After forceful inspiration, the amount of air that can be breathed out with maximum forced expiration is equal to

Options

ATV + RV + ERV
BIRV +TV + ERV
CIRV + RV + ERV
DIRV + ERV + TV + RV

Correct answer

B. IRV +TV + ERV

Step-by-step solution

The maximum amount of air which can be breathed out through forceful expiration after a forceful inspiration is equal to the sum of tidal Volume (TV), Inspiratory Reserve Volume (IRV) and Expiratory Reserve Volume (ERV) and called as vital capacity. Its value is 4.1 - 4.6 litres.

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