The additional volume of air a person can expire by a forceful expiration is called
A
Expiratory Capacity
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B
Inspiratory Capacity
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C
Expiratory Reserve Volume
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D
Total Lung Capacity
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Solution
The correct option is C Expiratory Reserve Volume Expiratory Reserve Volume (ERV) is the additional volume of air a person can expire by a forceful expiration, which is about 1200 ml. ERV and Tidal Volume (TV) together make up Expiratory Capacity (EC).