急性肾炎产生水肿的始动因素是()
A.毛细血管静水压增高
B.血浆胶体渗透压降低
C.毛细血管通透性增高
D.肾小球滤过率下降
E.淋巴液回流受阻
参考答案:C
--- Hasn’t Zhao Wei finished filming the movie So Young?
--- Yes. She ______ on it for more than half a year.
A.is working
B.has been working
C.worked
D.will have worked
关于麻痹性肠梗阻的X线表现,错误的是()
A.易合并腹水
B.不易与低位结肠梗阻鉴别
C.在仰卧位及立位上,气体的形状及位置的变化大
D.因积气而扩张的肠管范围广泛
E.有的来自机械性肠梗阻