小儿单次法硬膜外麻醉的常用局麻药为A.2%利多卡因与0.75%罗哌卡因对半混合,

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问题 小儿单次法硬膜外麻醉的常用局麻药为A.2%利多卡因与0.75%罗哌卡因对半混合,0.5~0.7ml/kgB.1%罗哌卡因,0.2~0.7ml/kgC.1%地卡因,0.2~0.5ml/kgD.3%普鲁卡因,0.5~0.7ml/kgE.2%氯普鲁卡因,0.05~0.1ml/kg

选项 A.2%利多卡因与0.75%罗哌卡因对半混合,0.5~0.7ml/kg
B.1%罗哌卡因,0.2~0.7ml/kg
C.1%地卡因,0.2~0.5ml/kg
D.3%普鲁卡因,0.5~0.7ml/kg
E.2%氯普鲁卡因,0.05~0.1ml/kg

答案 A

解析
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