典型偏头痛的先兆症状可能是由于() ["颅外动脉扩张","颅外动脉收缩","颅内动脉收缩","颅内动脉扩张","颅内和颅外动脉扩张"]
下列情况可引起宽QRS波(>0.12秒)心动过速,但不包括() ["A.室性心动过速","B.室上性心动过速伴室内差异性传导","C.室上性心动过速并束支阻滞","D.WPW综合征","E.窦性心动过速"]
宫颈糜烂应与鉴别的疾病不包括() ["宫颈结核","早期宫颈癌","宫颈外翻","CIN","宫颈息肉"]
筋膜间隙综合征的主要原因是()。 ["出血","肌肉坏死","筋膜间隔内高压","病变区血供阻断","静脉栓塞"]
女性,45岁。肥胖多年,口渴5个月,糖化血红蛋白7.9%,空腹血糖7.9mmol/L,饭后2小时血糖12.1mmol/L。本患者可诊断为() ["A.1型糖尿病","肾性糖尿","食后糖尿","2型糖尿病","类固醇性糖尿病"]
简答放映镜头保养的要求: