心脏心室肌细胞0期去极化速度约为() ["10V\/s","50V\/s","200V\/s","500V\/s","1000V\/"]
男性,67岁。反复咳嗽、咳痰10余年,活动后气短3年,有吸烟史30余年,对诊断最有意义的检查是() ["血气分析","肺部CT","心电图","肺通气灌注扫描","肺功能检查"]
腰以上肿当() ["A.发汗","B.攻逐","C.利小便","D.通腑","E.涌吐"]
流行性感冒() ["发热伴寒战","发热伴口角疱疹","发热伴肝脾肿大","发热伴出血","发热伴昏迷"]
把水肿分为皮水、正水、风水、石水、黄汗五种类型的是() ["《内经》","《金匮要略》","《诸病源候论》","《景岳全书》","《脾胃论》"]
什么是二极管的伏安特性曲线?