Quiz 4 Immune Response

Question 1

Infection with human immunodeficiency virus causes acquired immune deficiency syndrome because

Answer 1

the virus damages CD4+T cells

Question 2

The principle role of histocombatibility molecules is

Answer 2

to bind foreign proteins for presentation to appropiate antigen specific T cells

Question 3

In type I hypersensitivity reactions, the effects seen primarily relate to initial

Answer 3

release of mediators from mast cells

Question 4

Transcription of HIV proviral DNA in CD4+T cells leads to

Answer 4

Productive infection and cell death

Question 5

has develoment with energy with age been implemented in auto immune diseases?

Answer 5

no

Question 6

IgM has the smallest molecular wheight?(T/F)

Answer 6

F, IgG does

Question 7

IgA is found in mucous secretions (T/F)

Answer 7

T

Question 8

the third phase in pathogenesis of systemic immune complex disease (type III hypersensistivity) occurs when?

Answer 8

an inflammatory reaction leads to tissue injury

Question 9

Compared to the primary immune response, the secondary immune response is characterized by?

Answer 9

greater magnitude

Question 10

the deposition of immune complexes in blood vessels seen in type 3 hypersensitivity reactions leads to?

Answer 10

necrotizing vasculitis

Question 11

Delayed type hypersensitivity reactions is initiated by?

Answer 11

CD4+T cells