1. If alveolar ventilation is 4200 mL/min, respiratory frequency is 12 breaths per minute, and tidal volume is 500 mL. what is the anatomical-dead-space ventilation?
(A) 1800 mL/min
(B) 6000 mL/min
(C) 350 mL/min
(D) 1200 mL/min
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統計: A(1), B(0), C(0), D(0), E(0) #3475904
統計: A(1), B(0), C(0), D(0), E(0) #3475904