問題詳情
40. Which of the following statements about the mucosal immune system are true?
(A) Broad surface area in contact with environmental agents and microbes
(B)Activated or memory T cells predominate even in the absence of infection
(C) Presence of distinctive microbiota
(D) Absence of inhibitory macrophages and tolerance-inducing dendritic cells
參考答案
答案：99
統計：A:0,B:0,C:1,D:0,E:0
難度：計算中