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配制含有1：20万肾上腺素的1%利多卡因溶液20ml，应加入0.1%的肾上腺素溶液()A．0.2mlB．1.0mlC．1.5mlD．2.0ml...

作者: rantiku 人气: - 评论: 0

问题配制含有1：20万肾上腺素的1%利多卡因溶液20ml，应加入0.1%的肾上腺素溶液()

选项 A．0.2ml B．1.0ml C．1.5ml D．2.0ml E．0.1ml

答案 E

解析

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