Physiology Respiratory System f13ad1af Total alveolar ventilation volume (in L/min) is A 1.5 B 3.5 C 4.2 D 5 High-Yield Explanation Ans. (c) 4.2(Ref: Ganong, 25th ed/p.629)Alveolar ventilation is 4.2L/minAlveolar ventilation = respiratory rate * (tidal volume - dead space) =12(500-150)=4.2L/min