行置换疗法时,当患者发"开"音中断的一刹那() ["鼻腔内压力等于大气压,低于窦内压力","鼻腔内压力等于大气压,高于窦内压力","鼻腔内压力低于大气压,低于窦内压力","鼻腔内压力低于大气压,高于窦内压力","鼻内压力高于大气压,高于窦内压力"]
目前,世界范围内接触人数最多的石棉类型是() ["青石肺","温石棉","铁石棉","直闪石","透石棉"]
小叶原位癌通常免疫组化标记为() ["34BE12阳性E-cadherin阴性CK5/6阴性CerbB-2阴性","34BE12阳性E-cadherin阴性CK5/6阴性CerbPB-2阳性","34BE12阳性E-cadherin阳性CK5/6阳性CerbB-2阳性","34BE12阴性E-cadherin阳性CK5/6阳性CerbB-2阳性","34BE12阴性E-cadherin阳性CK5/6阳性CerbB-2阴性"]
维生素D缺乏性佝偻病早期诊断的最重要指标是() ["血磷降低","碱性磷酸酶增高","血钙降低","血25-OHD降低","甲状旁腺素增高"]
妊娠期肾盂及输尿管生理性的扩张一般于产后何时恢复() ["1~3周","2~4周","4~6周","5~7周","6~8周"]
腹部触诊内容有哪些?