Sunday, September 11, 2022
Sunday, November 27, 2022
PCR实验室应当严格分区,一般分成试剂配制区、核酸(样品)提取区、()、PCR扩增结果检测(电泳)区等4个区。A、PCR扩增区B、核酸纯化区C、凝胶成像分析区D、加样区...
Saturday, October 7, 2023
Sunday, September 11, 2022
不同批次的ELISA试剂盒,只要是同一种试剂盒,且试剂均在有效期内,试剂盒内的试剂是可以通用的。...
Sunday, August 6, 2023
Sunday, November 27, 2022
Sunday, September 11, 2022
血液内的寄生性原虫主要有()。A、疟原虫B、焦虫C、伊氏锥D、住白细胞虫...
Saturday, October 7, 2023
Thursday, March 21, 2024
Monday, September 12, 2022
Sunday, September 11, 2022
进行疑似高致病性禽流感样品采集时,应准备哪些器具和试剂?...
Sunday, September 11, 2022
Monday, September 12, 2022
菌(毒)种和样品及动物病料的托运人或其代理人必须按受危险品航空运输训练,并持有有效证件。...
Thursday, June 29, 2023
传染病的概念是由病原微生物引起的,具有一定的潜伏期和临床症状和传...
Monday, September 12, 2022
能出现溃疡性或花椰菜样疣状赘生性心内膜炎的疾病是指()A、猪瘟B、猪丹毒C、猪肺疫D、仔猪副伤寒...
Friday, May 26, 2023
抗体初次应答具有的特点是()。A、潜伏期短B、抗体含量低C、维持时间久D、亲和力强...
Friday, October 6, 2023
Sunday, September 11, 2022
下列病毒中,无囊膜的是()。A、鸡马立克氏病病毒B、鸡新城疫病毒C、口蹄疫病毒D、禽流感病毒...
Friday, October 6, 2023
马传染性贫血(简称马传贫)的临床特征为:急性型高热稽留;亚急性型...
Sunday, September 11, 2022