风湿性心脏病、系统性红斑狼疮等一类疾病是(     ) A.病原体感

风湿性心脏病、系统性红斑狼疮等一类疾病是(     )

A.病原体感染机体而引发的疾病,有传染性

B.机体免疫功能不足或缺乏而引发的疾病,无传染性

C.人体免疫系统对自身的组织和器官造成损伤而引发的疾病

D.已免疫的机体再次接受相同物质的刺激而引发的过敏反应

答案

C

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