24. 唐氏症(Down syndrome)病兒常合併下列何種先天性心臟病?
(A)心內膜墊缺損(endocardial cushion defect)
(B)大血管轉位(transposition of great arteries)
(C)肺動脈瓣狹窄(pulmonary stenosis)
(D)開放性動脈導管(patent ductus arteriosus)

1. 題目解析唐氏症（Down syn...