呕吐量大，多为隔夜食物，有酸臭味，呕吐后症状减轻()呕吐物不含隔夜食物，解痉药可缓解梗阻()呕吐物有隔夜食物、不臭，伴贫血、消瘦() ["A．瘢痕性幽门梗阻","B．活动性溃疡致幽门痉挛水肿","C．胃癌致幽门梗阻","D．高位肠梗阻","E．低位肠梗阻"]
阑尾炎穿孔()绞窄性肠梗阻() ["A．腹穿抽出血性渗液，恶臭味","B．腹穿抽出脓液","C．腹穿抽出胆汁","D．腹穿抽出粪样液","E．腹穿抽出血液"]
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"]
呕吐早，次数频繁()有少量排气排便()肠鸣音消失() ["A．绞窄性肠梗阻","B．高位性肠梗阻","C．完全性肠梗阻","D．不完全性肠梗阻","E．麻痹性肠梗阻"]
符合不完全性机械性肠梗阻的原因是()符合动力性肠梗阻的原因是()符合绞窄性肠梗阻的原因是()符合血运性肠梗阻的原因是() ["A．腹膜炎","B．结肠粪块严重堵塞","C．肠系膜血栓","D．小肠蛔虫团块","E．肠扭转"]
提示阑尾炎波及盆腔()坏疽性阑尾炎检查可发现()
