兴奋在心脏内传导速度最慢的部位是() ["心室","房室束","心房","房室交界","普肯耶纤维网"]
女性,55岁,为慢性阻塞性肺疾病(COPD)气肿型患者。近年来轻微活动即感气急,咳嗽轻,咳痰少。血气分析:PaO29.3kPa(70mmHg),PaCO24.8kPa(36mmHg)。根据血气分析结果,该患者的呼吸功能障碍为(). ["A.通气功能障碍","换气功能障碍","通气和换气功能障碍并存","肺泡膜增厚所致弥散功能降低","通气/血流比例降低"]
男,23岁,心慌,多汗、低热1周。查体:甲状腺左叶肿大、触痛、质硬。血FT3及FT4升高,血沉85mm/h应首先考虑() ["甲状腺左叶出血","自主性功能亢进性甲状腺腺瘤","Graves病","亚急性甲状腺炎","桥本甲状腺炎"]
肾前性急性肾衰竭尿沉渣镜检常见管型() ["红细胞管型","白细胞管型","棕色管型","上皮细胞管型","蜡样管型"]
钩端螺旋体病的传播途径不包括() ["经水传播","经空气飞沫传播","经食物传播","直接接触传播","吸血昆虫传播"]
颅内压增高的后果。