Question

which type of t cell, would you expect to play a major role in an allergic response, where the immune system over - reacts to an antigen?
a regulatory t cells
b cytotoxic t cells
c helper t cells
d antigen presenting cells

Explanation:

Helper T - cells are crucial in allergic responses. They assist in activating other immune cells when the immune system over - reacts to an antigen. Regulatory T - cells suppress immune responses, cytotoxic T - cells target infected or abnormal cells, and antigen - presenting cells mainly present antigens rather than playing a central role in the over - reaction of allergic responses.

Answer:

c. Helper T cells