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一、要点整合要点1:药品的取用(1)取用原则:①“三不”原则:不用手摸药品、不凑近闻药品的气味,不尝药品的味道;②节约原则:要严格按实验规定的用量取药品;如果没有说明用量时,应按最少量取用:液体1~2mL,固体只需盖满试管底部;③处理原则:实验用剩的药品应放入指定容器内,既不能放回原瓶,也不能随意丢弃.(2)取用方法:①固体药品的取用:取用粉末、小颗粒状药品时应用药匙或纸槽,步骤:“一斜、二送、三缓立”即将试管倾斜,用药匙或纸槽将药品送入试管底部,再把试管缓缓直立起来;取用块状药品或密度较大的金属颗粒时应用镊子夹取,步
First, the point of integration Points 1: access to medicines (1) access principles: ① “Three No ” principle: do not touch the drugs, do not get the smell of the drug smell, do not taste the taste of drugs; In strict accordance with the experimental dosage of drugs; If you do not specify the amount, should take the minimum amount of use: liquid 1 ~ 2mL, the solid just covered the bottom of the tube; ③ treatment principles: the remaining experimental drugs should be placed in the designated container , Can not be put back to the original bottle, can not be arbitrarily discarded. (2) access method: ① access to solid drugs: access to powder, small granular drug application spoon or paper slot, step: Two to send, three slow "is about to tilt the test tube, medicine spoon or paper trough will be sent to the bottom of the test tube, and then test tube slowly upright; access to block-shaped drugs or metal particles larger density tweezers clamp, step