The volume of air that can be inhaled following a maximal exhalation includes IRV, TV and ERV is known as the
A
Functional capacity
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B
Lung capacity
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C
Vital capacity
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D
Respiratory capacity
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Solution
The correct option is B Vital capacity The vital capacity (VC) measures the maximum amount of air that can be exhaled during a respiratory cycle after maximum inhalation.It is the sum of the expiratory reserve volume, tidal volume, and inspiratory reserve volume.