试题与答案

肛裂主要的临床特点是A.无痛性便血B.便后滴血C.便秘伴疼痛和出血D.肛周有脓性分泌

题型:单项选择题

题目:

肛裂主要的临床特点是

A.无痛性便血
B.便后滴血
C.便秘伴疼痛和出血
D.肛周有脓性分泌物 已经常有稀便

答案:

参考答案:C

解析:[考点] 肛裂的临床表现
[分析] 肛裂是肛管皮肤裂伤后形成的溃疡。肛管处的皮肤痛觉敏感,因此,肛裂的典型症状是便秘伴疼痛和出血。且疼痛剧烈,有周期性:排便时疼痛,便后有间歇期,随后括约肌痉挛痛。无痛性便血和便后滴血均是内痔的临床特点,肛周有脓性分泌物须除外肛瘘,而稀便则常见于结肠炎症。

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