[名词解释] 急性肾功能衰竭

肝肾综合征 上消化道出血最常见的病因（）？ ["食管静脉曲张破裂","消化性溃疡","慢性胃炎","胃癌","以上均不正确"] 参考群体 分度值为0.1mm的游标卡尺，游标刻线共（）格 ["7","8","9","10"] PubMed中替代任意个字符的截词符是（）。 ["？","%","x","$"] 急性肾功能衰竭