机体免疫系统识别和清除突变细胞的功能称为································()
A. 免疫监视
B. 免疫自稳
C. 免疫耐受
D. 免疫防御
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关于固有免疫的特点,下列表述错误的是·····································()
A. 可遗传
B. 感染早期起主要作用
C. 无免疫记忆
D. 特异性
人类的中枢免疫器官是····················································()
A. 淋巴结和脾脏
B. 胸腺和骨髓
C. 淋巴结和胸腺
D. 骨髓和黏膜相关淋巴组织
T细胞和B细胞定居的场所是··············································()
A. 骨髓
B. 外周免疫器官和组织
C. 中枢免疫器官
D. 胸腺
下列哪种器官是最大的外周免疫器官········································()
A. 肝脏
B. 扁桃体
C. 肠系膜淋巴结
D. 脾脏