题目内容

Which of the following statements is correct about the killing of target cells by CTLs?

A. CTLs don’t need to contact target cells.
B. When target cells are dissolved, CTLs are damaged at the same time.
CTLs have specific killing effect.
D. Perforin can induce target cell apoptosis.
E. One CTL can only kill one target cell.

查看答案

搜索结果不匹配？点我反馈

更多问题

Which cells play major roles in clearing intracellular pathogen infection?

A. Th1 and Th2
B. Th1 and CTL
C. Th2 and CTL
D. Th17 and CTL
E. Tfh and CTL

Which of the following cytokines is necessary for T cell proliferation?

A. IL-1
B. IL-2
C. IL-4
D. IL-10
E. IL-12

The patient, male, 30 years old, was found HIV antibody positive in physical examination. Which kind of cells in his body is most significantly reduced?

A. CD4 +T cells
B. CD8 + T cells
C. B cells
D. NK cells
E. Monocytes

下列美国对外战略中包含有“和平演变”战略的是:

A. 艾森豪威尔的“解放战略”和“和平取胜战略”
B. 肯尼迪的“和平战略”
C. 尼克松的“缓和战略”
D. 老布什的“超越遏制战略”