导致手术野污染的因素,应除外
A.手术器械
B.麻醉器械
C.手术人员的手臂
D.感染病灶或腹内空腔脏器
E.患者手术区皮肤
参考答案:B
--- Let’s go fishing if it _____ this weekend .
--- But nobody knows if it ____.
A.is fine , will rain
B.will be fine , rains
C.will be fine , will rain
D.is fine , rains
心理应激