Vital capacity of lungs is ______.

Inspiratory reserve volume plus expiratory reserve volume

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Inspiratory reserve volume plus tidal volume

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Total lung capacity minus expiratory reserve volume

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Total lung capacity minus residual volume

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Solution

The correct option is C Total lung capacity minus residual volume
Vital capacity (VC) is the maximum amount of air a person can expel from the lungs after a forced inhalation. It is equal to the sum of inspiratory reserve volume, tidal volume, and expiratory reserve volume. Thus, vital capacity is equal to total lung capacity minus residual volume.
Hence the correct answer is option D.

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Similar questions

I	Inspiratory Capacity (IC)
II	Functional Residual Capacity (FRC)
III	Vital Capacity (VC)
IV	Inspiratory Reserve Volume (IRV)
V	Residual Volume RV)
VI	Expiratory Reserve Volume (ERV)
VII	Tidal Volume (TV)

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