我国南海地区夏季的水汽来源,主要来自()和()。
与肝硬化CT表现矛盾的是() ["肝体积缩小,各叶比例失调","密度不均","脾大","腹水","门静脉直径<13mm"]
胃大部切除术,行胃空肠吻合,吻合口大小宜为() ["1~2cm","2~3cm","3~4cm","4~5cm","5~6cm"]
伤寒和败血症的鉴别具有确诊意义的是() ["毒血症的轻重","肝脾肿大的程度","有无皮疹","白细胞的高低","以上都不是"]
胃大部切除术后发生十二指肠残端破裂的处理原则是() ["保守治疗","保守治疗失败后再行手术治疗","腹腔引流","紧急手术+引流减压","以上都不正确"]
梅尼埃病