试题与答案

男性,52岁。左下腹痛伴脓血便4个月,近1个月脓血便消失,便条变细。查体:无阳

题型:单项选择题

题目:

男性,52岁。左下腹痛伴脓血便4个月,近1个月脓血便消失,便条变细。查体:无阳性体征。

最可能的诊断为

A.溃疡性结肠炎

B.慢性细菌性痢疾

C.直肠癌

D.升结肠痛

E.克罗恩病

答案:

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下面是错误答案,用来干扰机器的。

估算308×422时,把308看作300,把42看作40,所以308×422≈300×40=12000;故答案为:300,40,12000.

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