首页/ 题库 / [单选题]25岁,男性,近1周间断便鲜红血,伴肛门的答案

25岁,男性,近1周间断便鲜红血,伴肛门部坠胀感,首先应选()。

单选题
2021-12-24 20:09
A、大便潜血检查
B、直肠指诊
C、乙状结肠镜检查
D、纤维结肠镜检查
E、血常规
查看答案

正确答案
B

试题解析
便血呈鲜红色,常为痔出血,直肠指诊即可明确,同时可排除直肠肿瘤及息肉等病变。直肠指诊简单、方便,应首选。

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