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[名词解释] 数据库的完整性保护

患者,女,60岁。素有高血压病史,猝然昏厥,不省人事,两手握紧,牙关紧闭,右侧肢体偏瘫。用药应选用的药物是()。 ["冰片","麝香","石菖蒲","郁金","苏合香"] 患者,男,20岁,近半年不出门,不说话,其他正常,其父母做出求医决定的求医类型是() ["主动型","被动型","强制型","顾虑型","合作型"] 镰状红细胞贫血患者,其血红蛋白β链N端第六个氨基酸残基谷氨酸被下列哪种氨基酸代替() ["缬氨酸","丙氨酸","丝氨酸","酪氨酸","色氨酸"] 涉及核苷酸数目变化的DNA损伤形式是() ["DNA(单链)断链","链间交联","链内交联","插入突变","置换突变"] 激动心脏β受体,增强心肌收缩力,增加心排血量的药物是() ["地高辛","米力农","卡维地洛","硝普钠","多巴酚丁胺"] 数据库的完整性保护
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