83.下列何種先天性心臟病必須保持開放的動脈導管(ductus arteriosus),否則嬰兒出生後通常很快致命?
(A)心室中隔缺損(ventricular septal defect)
(B)主動脈縮窄(coarctation of aorta)
(C)心房中隔缺損(atrial septal defect)
(D)主動脈閉鎖(aortic atresia)
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統計: A(68), B(40), C(48), D(498), E(0) #2114175
統計: A(68), B(40), C(48), D(498), E(0) #2114175