What does alveolar gas transport depend on during HFV?
A. Vt equaling Vd
B. ventilation–perfusion matching
C. mean airway pressure
D. respiratory frequency
ANS: B
A. Incorrect response: See explanation B.
B. Correct response: Alveolar-capillary gas transport ring HFV depends on matching alveolar ventilation and pulmonary capillary perfusion.
C. Incorrect response: See explanation B.
D. Incorrect response: See explanation B.
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