Chapter 51 – The Immune System
35. When a “new” antigen first challenges the immune system, if the primary immune
response produces B cells, what are the fates of those B cells?
I-Some of the B cells become plasma cells that secrete antibodies.
II-Some of the B cells become memory cells and can produce a swifter response if the body
encounters that particular antigen again.
III-Some of the B cells secrete chemicals called pyrogens that travel to the brain inducing a
fever.
36. When a person is tested for HIV, the test is considered positive if _______ to the HIV are
present.
Check All That Apply Questions