直肠癌为()肠套叠为() ["A．黏液血便","B．果酱样便","C．腹泻、便血(腥臭血便)","D．腹泻、大量出血","E．鲜血便"]
右半结肠癌典型症状()左半结肠癌早期症状() ["A．出现肠梗阻症状","B．出现剧烈腹痛","C．出现排便习惯改变","D．出现大量鲜红色便血","E．出现贫血症状"]
提示阑尾炎波及盆腔()坏疽性阑尾炎检查可发现() ["A．结肠充气试验阳性","B．右下腹固定而明显压痛区","C．腰大肌试验阳性","D．直肠指检触痛","E．右下腹局限性压痛、反跳痛"]
肠套叠常见于()乙状结肠扭转常见于()小肠扭转常见于()蛔虫性肠梗阻常见于() ["A．2岁以下幼儿","B．青壮年","C．成年","D．老年男性","E．3～10岁儿童"]
腹部手术后2～3天内的肠梗阻多属于()2岁以下幼儿的肠梗阻多属于()单纯的肠系膜血管栓塞引起的肠梗阻属于() ["A．机械性肠梗阻","B．绞窄性肠梗阻","C．麻痹性肠梗阻","D．痉挛性肠梗阻","E．血运性肠梗阻"]
呕吐早，次数频繁()有少量排气排便()肠鸣音消失()
