The initiation of a humoral immune response involves a complex interaction of the antigen, cells and intercellular messengers. Which of the following statement(s) concerning the initiation of the humoral immune response is/are correct?
A. Helper T lymphocytes stimulate B lymphocytes through secretion of cytokines such as interleukin 4 and 6
B. A number of cells can aid in presenting the antigen to the helper T cell including B lymphocytes and macrophages
C. All antigens require coordinated efforts of the various cellular components of the immune system
D. An antigen must be a living microorganism
Answer:A
The initiation of a humoral immune response involves a complex interaction of the antigen, cells and intercellular messengers. Which of the following statement(s) concerning the initiation of the humoral immune response is/are correct?
A. Helper T lymphocytes stimulate B lymphocytes through secretion of cytokines such as interleukin 4 and 6 B. A number of cells can aid in presenting the antigen to the helper T cell including B lymphocytes and macrophages C. All antigens require coordinated efforts of the various cellular components of the immune system D. An antigen must be a living microorganism