表面麻醉常用局麻药为() ["A.1%普鲁卡因","B.0.5%利多卡因","C.1%利多卡因","D.0.1%丁卡因","E.1%丁卡因"]
急性眶内压升高、急行眶减压术()瞳孔直接对光反射消失或迟钝、视力严重下降()眼外肌及其支配神经损伤()锐器切割或穿刺伤() ["A.眼球运动障碍","B.眼眶内出血","C.软组织损伤","D.眶深部组织的损伤","E.视神经管骨折"]
超声诊断有哪些局限性?
什么是经颅多普勒?
局部浸润麻醉选用普鲁卡因时,其常用浓度为() ["A.0.5%","B.1%","C.1.5%","D.2%","E.2.5%"]
什么是M型超声诊断法?有何临床意义?