51 唐氏症候群(Down’s syndrome)之巨舌症(macroglossia)的主要原因是:
(A)舌頭之肌肉張力不足(muscular hypotonia)
(B)舌體積增加(increased tongue mass)
(C)甲狀腺功能過低(hypothyroidism)
(D)過敏反應(allergic reaction)
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統計: A(29), B(3), C(2), D(0), E(0) #1276863
統計: A(29), B(3), C(2), D(0), E(0) #1276863