A) Inspiratory Reserve Volume (IRV) + Expiratory Reserve Volume (ERV) + Tidal Volume (TV) + Residual Volume (RV)
B) IRV + ERV + TV
C) IRV + ERV
D) IRV + ERV + TV - RV
Correct Answer: B
Solution :
Tidal volume is the volume of air inspired or expired in relaxed effortless position. It is equal to\[500mL\]. Residual volume is the volume of air left in lungs and dead space after forceful expiration. It is equal to\[1.5L\].
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