下列哪项不是血药浓度免疫学测定的技术() ["化学发光免疫测定","免疫电泳法","放射免疫法","荧光免疫法","酶免疫法"]
不影响酶活性测定的因素为() ["底物浓度","样品杯直径","温度","pH值","缓冲液的离子强度"]
酶免疫技术中最佳工作浓度的选定常采用() ["抗原稀释法","抗体稀释法","酶标记物稀释法","棋盘滴定法","A+B"]
酶免疫技术中的酶结合物是指() ["酶标记抗原","酶标记抗体","酶标记抗原或抗体","结合在固相载体上的酶","酶与底物的结合"]
酶免疫技术中将抗原抗体包被后再用下列何种物质进行封闭可以消除非特异性显色导致的本底偏高() ["1%~5%牛血清白蛋白","1%~10%牛血清白蛋白","10%牛血清白蛋白","10%~15%牛血清白蛋白","15%~25%牛血清白蛋白"]
试述药学保健的定义。