TH1细胞具有的表面标志是() ["CD3和CD8","CD34和CD19","CD20和CD19","CD4和CD3","CD4和CD56"]
女性,27岁,主诉:牙龈长一个肿物5个月,并慢慢增大,影响进食。在确诊前,最应该询问的病史是() ["A.刷牙史","B.使用牙签史","C.家族史","D.妊娠史","E.服避孕药史"]
胸痹阴寒凝滞重症治疗宜选用:() ["血府逐瘀汤","丹参饮","乌头赤石脂丸和苏合香丸","瓜萎薤白半夏汤","瓜萎薤白白酒汤"]
古代九针中主要用于浅刺皮肤,泻热,治疗头身热证的是:() ["圆利针","鑱针","圆针","锋针","毫针"]
下述参数中哪项对瓣膜损害程度评估不大() ["心输出量","反流量","跨瓣压","瓣口面积","收缩时间间期"]
Beck三联征包括:(),(),()。