Vital capacity is the sum of which of the following?
1. Residual volume
2. Inspiratory capacity
3. Expiratory reserve volume
4. Inspiratory reserve volume
5. Functional residual capacity
a. 2 and 3 c. 2 and 5
b. 1 and 4 d. 3 and 4
ANS: A
The vital capacity is equal to the sum of the inspiratory capacity plus the expiratory residual vol-ume.
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