112. A 40-year-old man has the following findings on pulmonary function testing: 500 mL Tidal volume Dead space volume Residual volume 150 mL 1000 mL Respiratory rate is 16/min. Which of the following is his alveolar ventilation (in L/min)? OA) 3.2 B) 4.6 C) 5.6 D) 6.0 OE) 8.0

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