1) Which of the following best describes what causes plasma cells to form during a humoral immune response?
a) Memory B cells signal phagocytes to attack infected cells and divide, producing plasma cells.
b) The antibodies on the surface of B cells bind to antigens, and the B cells grow and divide, producing plasma cells.
c) The antigens on the surface of a pathogen attack healthy cells, and the resulting inflammation signals helper T cells to divide, producing plasma cells.
d) Memory T cells recognize antigens and signal T lymphocytes to divide, producing plasma cells
2) Damage to which of the following structures would be most likely to result in an increase in mutations in a man's sperm cells?
a) Epididymis
b) Testes
c) Urethra
d) Scrotum