能够激活补体替代途径的免疫球蛋白是() ["A．IgG1","B．IgG2","C．IgG3","D．凝集的IgA","E．IgM"]
Raji细胞的表面标志的特点是() ["A．有C1q受体、C3d受体，无C3b受体","B．有C1q受体、C3d受体、C3b受体","C．无C1q受体、C3d受体，有C3b受体","D．无C1q受体、C3b受体，有C3d受体","E．有C1q受体，无C3b受体、C3d受体"]
下列哪项是非抗原特异性循环免疫复合物的细胞检测技术() ["A．PEG比浊法","B．C1q固相法","C．mRF凝胶扩散试验","D．Raji细胞法","E．超速离心法"]
义齿基托变形的原因有哪些?
关于抗补体试验检测非抗原特异性CIC的描述，下列错误的是() ["A．原理类似于补体结合试验","B．受检血清应进行56℃30分钟灭活补体","C．外加豚鼠血清是定量加入外源性补体","D．指示系统致敏羊红细胞溶血，表明待测血清CIC存在","E．观察50%溶血终点来计算IC含量"]
填塞塑料时，常出现支架移位，其原因是什么?
