A.普魯卡因150mg+5%葡萄糖2.7ml+副腎0.3ml B.1%丁卡因1ml+3%麻黃堿1ml+10%葡萄糖1ml C.O.75%布比卡因2ml+10%葡萄糖1ml D.2%利多卡因5mol+10%葡萄糖0.5ml E.0.5%布比卡因2ml+10%葡萄糖1ml
如圖示,硬膜外穿刺時經(jīng)歷哪幾層組織()
A.皮膚 B.皮下組織 C.棘上韌帶 D.棘間韌帶 E.黃韌帶