黏液细胞是指() ["宫颈型外底层细胞","分泌型柱状上皮细胞","纤毛柱状上皮细胞","周期型增殖期子宫内膜细胞","鳞状上皮细胞"]
关于胸主动脉瘤的特点,下列不正确的是() ["可以产生主动脉瓣关闭不全","可以引起Horner综合征","可以分为真性动脉瘤、假性动脉瘤和夹层动脉瘤","死亡原因主要是缺血性脑病","手术治疗是最有效的方法"]
男性20岁,有受凉或进食冷硬食物后上腹隐痛史。突然呕吐咖啡渣样液体约150ml,伴头昏、心悸、乏力,面色苍白,心率100次/分,急查肝功能正常该患者的出血量约为() ["<200ml","200~400ml","500~1000ml",">1500ml",">2000ml"]
乳腺癌布野方法中下列哪些是正确的() ["胸壁可采用4~6MVX线做切线照射","切线照射若包内乳淋巴结,内切野内缘设在健侧距体中线3cm外","腋下剂量不够时,可单独开腋下野","外切线定在腋中线或腋后线","治疗时两臂贴于体铡"]
室性心动过速伴严重血流动力学障碍时,终止发作的首选方法是()。 ["利多卡因","胺碘酮","同步电复律","人工起搏超速抑制","压迫颈动脉窦"]
脑分水岭梗死