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Exchange of Gases

Volume of air...

Question

Volume of air which remains in conduction airways and is not available for gas exchange is?

A

Vital capacity

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B

Anatomic dead space

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C

Functional residual capacity

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D

Forced expiratory volume

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Solution

The correct option is B Anatomic dead space
Dead space is the volume of air that is inhaled that does not take part in the gas exchange, because it either remains in the conducting airways or reaches alveoli that are not perfused or poorly perfused.
Hence, the correct answer is (B)

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