A sample of helper cells (T_H) is being studied in the laboratory. When scientists present them with antigen in an attempt to stimulate the development of other immune system cells there is no affect. Why would this be? A) T_C cells have not been processed in the thymus. B) Macrophages lack a functional receptor. C) The antigens have not been properly processed. D) There are no antibodies present. E) B cells have no activation binding site.

Question

Quizplus · Accepted Answer

The antigens need to be processed and presented by antigen-presenting cells for T_H cells to recognize and respond to them. If the antigens are not properly processed, T_H cells cannot be activated.

A Sample of Helper Cells (TH) Is Being Studied in the Laboratory

A Sample of Helper Cells (T_H) Is Being Studied in the Laboratory