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Flashcards in chapter 22 part 2 Deck (38)
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31

what does Ig stand for

immunoglobin

32

4 functions of antibodies

1. act to neutralize the antigen by binding to it
2. causes antigen to precipitate or agglutinate
3. coats antigen marking it for phagocytosis
4. increased effectiveness of phagocytosis

33

precipitate

to come out of a solution

34

antibody titer

level of antibody activity

35

primary response
-IgM peak
-IgG peak

-takes more time to develop
-1 1/2 weeks
-~2 weeks after exposure

36

secondary response
-fast or slow response
-what is this due to
-basis for

-much faster and stronger response
-memory cells
-vaccines

37

CD4 T cells
-what are these cells

cells infected with HIV

38

HIV
-what does this virus do
-what is the result

the virus destroys the CD4 T cells
-compromises the immune system (AIDS)