利多卡因用于阻滞麻醉的浓度是A:1%~2% B:0.1%~0.2% C:0.25%~0.75% D:0.25%~0.5% E:2%~3%

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问题 利多卡因用于阻滞麻醉的浓度是

选项 A:1%~2%
B:0.1%~0.2%
C:0.25%~0.75%
D:0.25%~0.5%
E:2%~3%

答案A

解析利多卡因用于阻滞麻醉,1%~2%溶液,一次不超过0.4g。
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