判断两个现象相关关系密切程度越强时,相关系数r的绝对值是() ["大于1","小于1","等于1","接近于1","接近于0"]
诊断肾性骨病的金指标是() ["血PTH水平","活性维生素D3水平","骨活检","血钙测定","铝的测定"]
当白细胞高于多少时,会影响血红蛋白比色测定的结果() ["20.0×109/L","30.0×109/L","40.0×109/L","50.0×109/L","100.0×109/L"]
成年男性患者,热烧伤80%,合并中度吸入性损伤,伤后4小时来院就诊。体检及化验发现:体温36℃,心率160次/分,呼吸28次/分,血压测不到,导出40ml血红蛋白尿。遂立即快速补液,于2小时内输入5%葡萄糖溶液1500ml,生理盐水500ml;随后,病人心率高达180次/分,呼吸加快,双肺可闻及啰音,咳血性泡沫样痰。进一步应做哪些治疗() ["A.应用呼吸道解痉药物","应用西地兰、氨茶碱和吸氧等综合治疗","注射杜冷丁","输入甘露醇","应用速尿、西地兰、氨茶碱和吸氧等综合治疗"]
若缺失左下87和右下78,义齿为混合支持式,舌杆与黏膜的接触关系应为() ["轻轻接触","离开0.1~0.4mm","离开0.5~1mm","离开1.5~2mm","离开2.1~2.5mm"]
简述社会保障基金来源的主要渠道?