题型:填空题 小儿硬膜外阻滞时,利多卡因宜用的浓度和剂量是()。A.0.7%~1.5%,1~2mg/kgB.1%~2%,4~5mg/kgC.0.7%~1.5%,8~10mg/kgD.1.5%~2%,5~7mg/kgE.2%,10mg/kg 查看答案