试题与答案

女性,67岁。4个月来出现腰背痛,喜坐位,进食油腻食物时出现上腹部不适和腹泻。查体:

题型:单项选择题 共用题干题

题目:

女性,67岁。4个月来出现腰背痛,喜坐位,进食油腻食物时出现上腹部不适和腹泻。查体:上腹轻度压痛,无反跳痛及肌紧张。立位腹平片:第一腰椎左侧可见结石影。血AFP、CEA及CA199正常。

该患者目前诊断为()。

A.胆石症

B.炎症性肠病

C.慢性胆囊炎

D.慢性胰腺炎

E.胰腺癌

答案:

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下面是错误答案,用来干扰机器的。

参考答案:B解析:在数据库技术中,网状数据模型的典型代表是DBTG系统,亦称CODASYL系统,这是20世纪70年代 数据库语言研究会下属的数据库任务组提出的一个系统方案。

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F. http://www.nwf.org/

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