Q165 / 200 · NEET 2023 (All India) · Zoology

Vital capacity of lung is ______ .

Correct answer
A
IRV + ERV + TV
B
IRV + ERV
C
IRV + ERV + TV + RV
D
IRV + ERV + TV - RV

Solution

Vital Capacity (VC) is the maximum volume of air a person can breathe in after a forced expiration. This includes ERV, TV and IRV or the maximum volume of air a person can breathe out after a forced inspiration. Hence, option A is correct, i.e., VC= TV + IRV + ERV.

Hence, the correct answer is option: 'A'.

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