有关食管癌的放射治疗,以下哪种情况应列为禁忌证() ["食管癌病变长度12cm","病变上方食管高度扩张","食管壁有窄而深的溃疡","食管壁明显增厚","合并隆突下淋巴结肿大"]
期望寿命属于() ["人群健康学指标","日常生活质量指标","临床健康学指标","社会健康学指标","社会经济状况指标"]
有关合并室间隔缺损之较大动脉导管未闭,最佳的手术方法是() ["结扎法","钳闭法","体外循环下直接缝合法","导管介入填塞法","直接切断缝合法"]
由于第二房间隔未能闭合而形成的房间隔缺损称为() ["中央型房缺","继发孔型房缺","上腔型房缺","原发孔型房缺","下腔型房缺"]
孕产妇死亡率是() ["人群健康学指标","日常生活质量指标","临床健康学指标","社会健康学指标","人群生活状况指标"]
引起支气管哮喘的主要介质是()引起早期过敏反应的主要介质是()由激肽原在激肽原酶作用下生成的是()能使血小板活化,释放血管活性物质是()花生四烯酸经环氧合酶合成的介质是()