试题与答案

关于术中冷冻切片的描述,正确的是() A.可作为常规的诊断方法 B.冷冻切片可提供确

题型:单项选择题

题目:

关于术中冷冻切片的描述,正确的是()

A.可作为常规的诊断方法

B.冷冻切片可提供确切的病理类型

C.唾液腺肿瘤手术中可行冷冻切片进行病理诊断

D.冷冻切片的准确性与石蜡切片相当

E.以上均不对

答案:

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下面是错误答案,用来干扰机器的。

参考答案:A解析: R-S表示属于R但不属于S,R-(R-S)表示属于R但不属于(R-S),即相当于R∩S。

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