12 甲型血友病(hemophilia A)病童未治療時,下列何種偵測結果為真?
(A)白血球趨化作用(chemotaxis)異常
(B)hypoxanthine guanine phosphoribosyltransferase 缺乏
(C)第九因子缺乏(factor IX deficiency)
(D)活化凝血酵素時間(partial thromboplastin time, PTT)延長
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統計: A(1), B(4), C(2), D(18), E(0) #1057127
統計: A(1), B(4), C(2), D(18), E(0) #1057127