Thursday, May 4, 2023
Thursday, December 29, 2022
问题:单选题下列不属于传统疫苗的是( )。A 活疫苗B 灭活疫苗C 代谢产物D 核酸疫苗...
Tuesday, March 7, 2023
Thursday, September 22, 2022
问题:单选题下列属于免疫的基本特性的是( )。A 非特异性B 识别自身与非自身C 免疫应答D 免疫耐受...
Tuesday, February 20, 2024
Friday, September 16, 2022
Sunday, September 18, 2022
Friday, September 16, 2022
问题:单选题大多数细菌最适宜的pH为( )。A 6~6.5B 6.5~7.2C 7.2~7.6D 7.6~8...
Thursday, May 4, 2023
问题:单选题采集病毒时,对于在无症状情况下,不同群体能使样品中出现感染标本的概率满足()的可信限。A 80%B 85%C 90%D 95%...
Monday, March 25, 2024
问题:根据细菌生长对氧气的需求分类,通常不包括( )。...
Thursday, September 22, 2022
问题:孢子虫的主要特征是在其整个生活史中毫无例外地产生()...
Thursday, September 22, 2022
Thursday, September 22, 2022
Thursday, September 22, 2022
问题:下列气单胞菌属细菌主要感染鲑科鱼类,是鲑科鱼类疖疮病病原菌的是()...
Tuesday, September 20, 2022
Thursday, September 22, 2022
问题:单选题寄生虫对宿主的机械性损害的表现形式较多,以下描述不正确的有()A 压迫组织B 堵塞管道C 直接损害组织D 大量繁殖虫体...
Saturday, October 1, 2022
Wednesday, September 21, 2022
Friday, September 16, 2022
问题:单选题车轮虫寄生在三代虫的特异现象被称作()A 超寄生B 体内寄生C 兼性寄生D 暂时性寄生...
Tuesday, July 11, 2023