应用利多卡因局部浸润麻醉常用浓度为:

应用利多卡因局部浸润麻醉常用浓度为:

A.0.25%-0.5%

B.0.6%-0.8%

C.1.0%-1.2%

D.1.4%-1.6%

E.1.8%-2.096

正确答案是A