Volume of air inspired or expired with each normal breath is known as
A
Inspiratory capacity
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B
Total lung capacity
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C
Tidal volume
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D
Residual volume
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Solution
The correct option is C Tidal volume Tidal volume is the lung volume representing the normal volume of air displaced between normal inhalation and exhalation when extra effort is not applied. In a healthy, young adult, tidal volume is approximately 500 mL per inspiration.