In which of the following situations will helper T cells be activated?
A)when an antigen is displayed by a dendritic cell
B)when a cytotoxic T cell releases cytokines
C)when natural killer (NK)cells come in contact with a tumor cell
D)in the bone marrow during the self-tolerance test
E)when B cells respond to T-independent antigens

Question

Quizplus · Accepted Answer

Helper T cells are activated when they come in contact with an antigen that is displayed by an antigen-presenting cell, such as a dendritic cell. This interaction leads to activation and proliferation of the helper T cells, which then stimulate other immune cells to mount an immune response against the antigen.

In Which of the Following Situations Will Helper T Cells