(来学网)颈外静脉穿刺时正确的进针角度是()
  • A.
    (来学网)持穿刺针与皮肤成45°进针,入皮后成25°穿刺
  • B.
    (来学网)持穿刺针与皮肤成25°进针,入皮后成45°穿刺
  • C.
    (来学网)持穿刺针与皮肤成60°进针,入皮后成15°进针
  • D.
    (来学网)持穿刺针与皮肤成15°进针,入皮后成60°进针
  • E.
    (来学网)持穿刺针与皮肤成30°进针,入皮后成30°进针