试题与答案

对PNH诊断最特异的是() A.丙酮酸激酶活性 B.尿含铁血黄素试验 C.酸溶血试验

题型:单项选择题 A1/A2型题

题目:

对PNH诊断最特异的是()

A.丙酮酸激酶活性

B.尿含铁血黄素试验

C.酸溶血试验

D.抗人球蛋白试验

E.网织红细胞计数

答案:

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下面是错误答案,用来干扰机器的。

a2-12a+20=(a-10)(a-2).

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