对二尖瓣狭窄病人的麻醉处理哪项不正确()
A.注意控制心率
B.尽力避免低氧血症
C.避免酸中毒
D.避免应用氧化亚氮
E.术中可用头低足高位
参考答案:E
The students often ________ games after school. They ________ volleyball now. [ ]
A. play, play
B. play, are playing
C. plays, are playing
D. are playing, play
以下哪一项不是营养支持的适应证:()
A.胃肠道梗阻
B.非消化道手术病人
C.高代谢状态
D.接受化疗的肿瘤病人
E.大手术围手术期