19. 有關老人運動能力的下降和下列哪些因素相關,除了
(A) Decrease Maximum voluntary ventilation
(B) Increased oxygen cost of breathing
(C) Increased maximal C(a-v) O2 difference
(D) Increased fat mass
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統計: A(0), B(0), C(1), D(1), E(0) #2824900
統計: A(0), B(0), C(1), D(1), E(0) #2824900