根据抗原分子所带电荷不同进行纯化分离的方法为() ["盐析沉淀法","有机溶剂沉淀法","凝胶过滤","离子交换层析","亲和层析"]
对于放置子宫托,不恰当的是() ["在每日晨起时放入,晚间取出,清洁备用","子宫托大小因人而异","子宫托使用安全,可长期佩戴不取","放置子宫托后应定期复查","子宫托放置不合适,可导致尿瘘或粪瘘"]
某戒酒患者在停饮3天后出现胡言乱语,说有人要害他,看见墙上有龙在飞,床上有虫子在爬,惊恐躁动,乱喊乱叫,言语含糊不清,夜间病情加重,目前患者最可能的诊断为() ["幻觉妄想状态","朦胧状态","意识混浊状态","谵妄状态","痴呆状态"]
最早期的声门癌的症状是() ["呼吸困难","吞咽困难","声音嘶哑","咽喉疼痛","颈淋巴结转移"]
根据抗原分子大小进行纯化分离的方法为() ["盐析沉淀法","有机溶剂沉淀法","凝胶过滤","离子交换层析","亲和层析"]
急性腹膜炎根据原因分为()和()两种,以多见()。