[名词解释] 河谷

诊断急性阑尾炎，有意义的体征是（） ["脐周有无压痛","Murphy征是否阳性","McBurney点是否压痛","肠鸣音是否改变","季肋点有无压痛"] 牛扼湖 胆石症患者不可能有的症状体征包括（） ["发热","黄疸","呕吐","贫血","Murphy征"] 侵蚀基准面 与阵发性绞痛腹痛性质相同的疾病有（） ["十二指肠溃疡","胆道蛔虫","泌尿系结石","急性胰腺炎","急性阑尾炎"] 河谷