52 若潮氣容積(tidal volume)為甲,呼氣儲備容積(expiratory reserve volume)為乙,殘餘容積(residual volume) 為丙,則肺功能餘量(functional residual capacity)等於什麼?
(A)甲+乙
(B)甲+丙
(C)乙+丙
(D)甲+乙+丙

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統計: A(0), B(1), C(6), D(1), E(0) #1234434