单选题临床中ABO血型鉴定最常采用的方法为( )。A 正向间接凝集反应B 反向间接凝集反应C 玻片凝集法D 间接凝集抑制反应E 试管凝集法...
Saturday, January 27, 2024
双向琼脂扩散试验中,若抗原抗体含量相同,但抗原的分子量比抗体大,则沉淀线应为( )。...
Tuesday, September 20, 2022
Sunday, September 24, 2023
Thursday, September 22, 2022
单选题启动休止期的B细胞进入DNA合成期的细胞因子是( )。A IL-8B IL-2C IL-6D IL-4E IL-9...
Sunday, May 14, 2023
Saturday, September 17, 2022
Wednesday, September 21, 2022
Saturday, September 17, 2022
Thursday, September 22, 2022
Thursday, September 22, 2022
单选题消除由于非特异性显色所致本底偏高现象的过程叫做( )。A 封闭B 包被C 清洗D 吸附E 分离...
Thursday, January 4, 2024
肿瘤细胞表面哪种MHC分子表达的减少或缺失可引起肿瘤细胞逃避机体的免疫监视?( )...
Thursday, September 22, 2022
单选题可见总补体活性和C3、C4的增高的疾病是( )。A 亚急性细菌性心内膜炎B 革兰阴性菌败血症C 恶性肿瘤D 大出血E 肝硬化...
Saturday, January 27, 2024
Thursday, September 22, 2022
单选题在抗原刺激后最先出现的Ig是( )。A B C D E...
Wednesday, February 15, 2023
Friday, September 23, 2022
Sunday, September 18, 2022
单选题由实验室自己配置成为商品,其中有关物质的量由参考方法定值的标准品为( )。A 一级标准品B 二级标准品C 控制物D 参考物E 原级参考物...
Tuesday, January 31, 2023
Thursday, September 22, 2022