Q.

Functional Residual Capacity (FRC) is the volume of air

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a

remaining in the lungs even after a forcible expiration

b

remaining in the lungs after a normal expiration

c

a person can expire by a forcible expiration

d

a person can inspire by forceful inspiration

answer is B.

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Detailed Solution

Functional Residual Capacity (FRC) is the volume of air remaining in the lungs after a normal expiration.

Residual Volume (RV) is the volume of air remaining in the lungs even after a forcible expiration.

Inspiratory Reserve Volume (IRV) is the additional volume of air, a person can inspire by forceful inspiration.

Expiratory Reserve Volume (ERV) is the additional volume of air, a person can expire by a forcible expiration.

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Functional Residual Capacity (FRC) is the volume of air