【单选题】女33岁,第一胎38周,剖宫产术后,母乳喂养,促进乳汁分泌的是
【单选题】下列固体样品采集过程中,( )是错误的。
A.
玻璃吸管、长柄勺、长柄匙,要用单个纸包好或用布袋包好;
B.
操作人员用先95%酒精棉球消毒手,再用95%酒精棉球将样品包装开口处周围抹檫消毒,然后打开;
C.
用无菌吸管吸入适宜样品加入225ml生理盐水中;
D.
镊子、剪刀、小刀等用具,用前在酒精灯上用火焰消毒;
【简答题】阅读理解。 If you go into the forest (森林) with friends, stay with them. If you don't, you may get lost (丢失). If you get lost, this is what you should do. Sit down and stay where you are. Don't try to find ...