Immune system Flashcards
what are the 3 roles of B cells?
recognize antigen
produce antibodies
remember antigen
why are B cells called “B” cells
The name comes from the name of the place they were discovered
the Bursa of Fabricius.
what gives rise to B cell receptor variety
genetically reshuffling
B cells are apart of the _________ immune response
adaptive
The major histocompatibility complex is a……
a. histamine
b. protein
c. hat
plasma cells do not have long life spans
u got that?
what does the B cell target?
the surface protein
how do we decide organ donors and organ recipients?
X rays
urine tests
antibody screen test
final blood test
what happens when an organ is rejected?
hyper acute
acute rejection
what is neutralization? (antibodies)
a process where antibodies block the binding sites on antigens
what is a term for antibodies blocking binding sites for multiple antigens at the same time
Agglutination
cells which identify and kill the invaders
white blood cells; Phagocytes and Lymphocytes
where are antigens found?
exterior of foreign bodies entering the organism
B cells
make antibodies
What are the 3 types of T Cells?
cytotoxic (killer): target infected cells
helper: activate B cells to secrete antibodies, macrophages and cytotoxic T cells
regulatory: suppresses immune response and maintain tolerance to self-antigen
