题目内容

下列说法((正确))的是:( )

A. 静脉注射麻醉药(氨基甲酸乙酯)没有明显的兴奋期,几乎立即生效,容易控制麻醉深度,掌握用药剂量
B. 注射器内抽取药液后应排尽空气,以免将空气注入血管引起栓塞
C. 注入药物的速度一般要慢,尤其是使用20-25%氨基甲酸乙酯溶液给家兔作耳缘静脉注射麻醉时,速度过快,往往引起动物死亡
D. 为避免发生麻醉意外(呼吸暂停,心脏停跳,甚至死亡),可先缓慢注入药物总剂量的1/4,剩下的3/4快速注入

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