题目内容
术前注射阿片类镇痛药
2022-01-08
A.消除患者的紧张情绪
B.迅速进人外科麻醉期
C.在此基础上进行麻醉，可使药量减少， 麻醉平稳
D.防止吸人性肺炎及反射性心律失常
E.以增强麻醉效果
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