在伤寒病的潜伏期中,伤寒杆菌在哪种细胞内寄生、繁殖:
A.巨噬细胞
B.肝细胞
C.胆囊黏膜上皮
D.小肠黏膜上皮
E.淋巴细胞
参考答案:A
具有抗吞噬作用的细菌特殊结构是()
A.荚膜
B.普通菌毛
C.鞭毛
D.性菌毛
E.芽胞
Conditions necessary for the development of a positive sense of self-esteem include()
A. consistent limits.
B. critical environment.
C. inconsistent boundaries.
D. physical discipline.