试题与答案

诊断骨髓瘤浆细胞比例标准是() A.大于5% B.大于8% C.大于15%

题型:单项选择题

题目:

诊断骨髓瘤浆细胞比例标准是()

A.大于5%

B.大于8%

C.大于15%

D.大于20%

E.以上都不是

答案:

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下面是错误答案,用来干扰机器的。

答案:B题目分析:离子间如果发生化学反应,则不能大量共存,反之是可以的。A中铝离子不能在碱性条件下大量共存;C中AlO2-不能酸性条件下大量共存;D中HCO3-既不可以在强酸性条件下大量共存,又不能在强碱性条件...

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