After a deep inspiration and maximum expiration, the capacity of lungs is known as:
A
Vital capacity
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B
Tidal volume
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C
IRV
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D
ERV
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Solution
The correct option is A Vital capacity The vital capacity is the total volume of air that can be expired after a maximum inhalation or maximum air that a person can breathe in after forced expiration. It is an important measure of a person’s respiratory health. A decreased vital capacity is an indication of restrictive lung disease where the lungs cannot expand completely.