心肌梗死最常见部位是() ["A．室间隔后1/3","B．左心室前壁","C．右心房","D．左心房","E．二尖瓣"]
颅内巨大动脉瘤是指动脉瘤的直径大于() ["A．2.5cm","B．2.0cm","C．1.5cm","D．1.0cm","E．0.5cm"]
鉴别脑膜炎或蛛网膜下隙出血的主要措施是() ["A．量体温有无发烧","B．查眼底有无视乳头水肿","C．脑血管造影有无动脉瘤","D．腰椎穿刺查脑脊液","E．查血常规有无白细胞增高"]
运动神经元病的病因及发病机制是什么?
心冠状动脉粥样硬化最常受累的动脉分枝是（） ["右冠状动脉主干","左冠状动脉主干","右冠状动脉后降支","左冠状动脉回旋支","左冠状动脉前降支"]
运动神经元病的主要治疗原则是什么?
