肾上腺素加入局麻药溶液中的浓度应该是( )A.100ng/ml B.80ng

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问题 肾上腺素加入局麻药溶液中的浓度应该是(  )A.100ng/mlB.80ng/mlC.5ng/mlD.80ng/mlE.8ng/ml

选项 A.100ng/ml
B.80ng/ml
C.5ng/ml
D.80ng/ml
E.8ng/ml

答案 C

解析
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