题目内容:
眶下神经孔口外法局部麻醉时,注射针与皮肤所成夹角是 ( )
A.45° B.60° C.15° D.30° E.90°
参考答案:
眶下神经孔口外法局部麻醉时,注射针与皮肤所成夹角是 ( )
A.45° B.60° C.15° D.30° E.90°