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Question

A person breathing normally at rest, takes in and expels approximately half a litre of air during each respiratory cycle. This is called

A
Inspiratory reserve volume
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B
Tidal volume
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C
Expiratory reserve volume
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D
Vital capacity.
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Solution

The correct option is B Tidal volume
The volume of air inspired or expired during normal breath is called tidal volume. It is about 500 mL of air in average young adult man.
so, the correct answer is 'tidal volume'

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