(来学网)普鲁卡因作为浸润麻醉剂时的常用浓度是
  • A.
    (来学网)0.05%~0.1%
  • B.
    (来学网)0.15%~0.2%
  • C.
    (来学网)0.25%~0.5%
  • D.
    (来学网)0.55%~0.8%
  • E.
    (来学网)0.85~1.0%
正确答案:
C