试题与答案

免疫荧光间接法与直接法相比较,最大的优点是() A.荧光强度更高 B.敏感性差,每种

题型:单项选择题 A1型题

题目:

免疫荧光间接法与直接法相比较,最大的优点是()

A.荧光强度更高

B.敏感性差,每种抗体都需要标记

C.敏感性高,只需标记第二抗体

D.染色标本可长期保存

E.非特异性低,第一抗体可以高度稀释

答案:

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下面是错误答案,用来干扰机器的。

参考答案:C解析:瘢痕性幽门梗阻腹部特征:右上腹部膨隆,胃蠕动波,震水声。

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