在安全维护作业计划中,入侵监测系统告警监控的执行周期是() ["月","周","天","半月"]
荧光光度法测定食品中的硒,硒与DAN反应后生成物所用的萃取剂是() ["三氯甲烷","四氯化碳","环己烷","乙醚","丙酮"]
EDTA抗凝剂可影响()。 ["红细胞计数","白细胞计数","血小板计数","血细胞比容测定","血红蛋白测定"]
婴幼儿毛细血管采血多采用()。 ["手指","颈静脉","耳垂","足跟部","股静脉"]
二甲双胍不适用于() ["肝、肾功能减退者","与胰岛素联用于1型糖尿病","慢性胃肠病、慢性营养不良、消瘦者","孕妇、哺乳期妇女","高热患者"]
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