CLASSES OF ANTIBODIES AND THEIR FUNCTION Flashcards
1
Q
activates complement and increases phagocytosis
A
IgG
2
Q
can cross placenta and provide immune protection to fetus and newborn
A
IgG
3
Q
responsible for Rh rxns such as HDN
A
IgG
4
Q
activates complement and acts as an antigen-binding receptor on the surface of B cells
A
IgM
5
Q
responsible for transfusion rxns in ABO blood system
A
IgM
6
Q
often the first antibody in response to an antigen
A
IgM
7
Q
secreted into saliva, tears, onto mucus to protect body surfaces
A
IgA
8
Q
found in colostrum and milk to provide immune protection to newborn
A
IgA
9
Q
binds to mast cells and basophils
stimulates inflammatory response
A
IgE
10
Q
function as antigen0binding receptor on B cells
A
IgD
