偏头痛的主要临床特点是（） ["半侧头痛","有先兆","搏动性跳痛","周期性发作性头痛","以上均不是"]
以下药物中，治胸痹的要药是（） ["木香","沉香","檀香","香橡","薤白"]
老年人蛛网膜下腔出血的特点是（）。 ["头痛、呕吐严重","常有抽搐发作","脑膜刺激征明显","意识障碍多见，头痛不明显","常伴眼底视网膜出血"]
偏头痛最常见的类型是（） ["典型偏头痛","群集性头痛","普通偏头痛","眼肌瘫痪型偏头痛","基底动脉型偏头痛"]
宫颈糜烂的分度依据（） ["糜烂深度","糜烂形状","糜烂面积","糜烂形态","糜烂性质"]
简述电烧伤的伤情判断。
