题目内容:
下牙槽神经阻滞麻醉时注射针进针深度为 ( )
A.3~4cm B.1~2cm C.4~4.5cm D.3~3.5cm E.2~2.5cm
参考答案:
下牙槽神经阻滞麻醉时注射针进针深度为 ( )
A.3~4cm B.1~2cm C.4~4.5cm D.3~3.5cm E.2~2.5cm