Physiology Calculate alveolar ventilation per minute of a patient with respiratory rate of 12/min, tidal volume is 500ml. A 6 L / min B 4.8 L / min C 4.2 L / min D 4 L / min 💡 Explanation Calculate alveolar ventilation per minute of a patient with respiratory rate of 12/min, tidal volume is 500ml. ✓ Correct Answer: C. 4.2 L / min