首页/ 题库 / [单选题]某单位职工进行献血体检，根据对乙型肝炎病的答案

某单位职工进行献血体检，根据对乙型肝炎病毒（HBV）感染的检查结果，可分为下列5种人群，其中有免疫力的人群是抗-HBc抗-HBe抗-HBsHBsAg（）

单选题
2021-12-24 01:28
A、+--+
B、--+-
C、-+-+
D、---+
E、++--
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正确答案
B
试题解析
乙肝表面抗原HBsAg阳性表示感染了乙肝病毒，并不反映病毒有无复制、复制程度、传染性强弱。乙肝表面抗体HBsAb（抗HBs）阳性表示对乙肝病毒的感染具有保护性免疫作用。乙肝疫苗接种者，若仅此项阳性，说明接种疫苗成功或者患者感染过已经痊愈，患者产生了保护性抗体，具有对乙肝病毒的免疫力。乙肝e抗原HBeAg阳性说明传染性强。持续阳性3个月以上则有慢性化倾向。乙肝e抗体HBeAb（抗HBe）阳性说明病毒复制减少，传染性弱，但并非没有传染性。乙肝核心抗体HBcAb（抗HBc）阳性说明既往感染过乙肝病毒。
标签： 消化内科综合练习 广西住院医师 临床微生物学检验 医学检验科住院医师
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