問題詳情
46. Which primarily involve mechanisms by tumors to avoid immune recognition?
(A) Tumor bas high immunogenicity.
(B) Tumor is treated as self antigen.
(C) Tumor suppress immune responses directly or recruit regulatory T cells that can secrete
immunosuppressive cytokines.
(D) Tumor secretes molecules such as collagen that form a physical barrier.
參考答案
答案：99
統計：A:0,B:0,C:1,D:0,E:0
難度：計算中