Immunology

Question 1

what are the cellular elements of the innate immune system?

Answer 1

monocyte

macrophage

Question 2

what is a role of dendritic cells and langerhans?

Answer 2

present antigens to T-cells

endocytosis of extracellular debris

Question 3

what are CD4 cells?

Answer 3

helper T-cells

exogenous antigens

Question 4

what are CD8 cells?

Answer 4

cytotoxic T-cells

endogenous antigens

Question 5

how is primary immunodeficiency passed on?

Answer 5

inherited

-60% are diagnosed in childhood

Question 6

what is the Jeffery Modell Foundation?

Answer 6

screening criteria for immunodeficiency

-screen for 2 or more

Question 7

what Ig initiates immune response?

Answer 7

IgA

Question 8

which types of infections most commonly indicate IgA deficiency?

Answer 8

respirator, GI, Gu

mucous membranes

Question 9

which Ig deficiency is rare?

Answer 9

IgM

a/w malignancy

Question 10

which is the most abundant Ig?

Answer 10

IgG

Question 11

which is Ig is responsible for hypersensitivity?

Answer 11

IgE
-protects against parasitic infections
elevated levels may suggest that infections are caued by severe allergies