During a physical examination, Joe learns that his resting tidal volume is 550 mL; his average resting respiratory rate is 15 breaths per minute; his total lung capacity is 6,000 mL; and his anatomic dead space is 150 mL. Joe's resting alveolar ventilation is
A. 6.0 L/min.
B. 72.0 L/min.
C. 0.5 L/min.
D. 1.8 L/min.
E. 4.2 L/min.
Answer: A
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