Immuno

Question 1

targets materials labeled with compliment, IgG or collectins

Answer 1

Neutrophils

Question 2

binds to IgG to enhance phagocytosis

Answer 2

Neutrophils

Question 3

how does rolling occur

Answer 3

sialyl lewis X binds to selectins on endothelial surface

Question 4

how does crawling occur

Answer 4

integrins bind to ICAM on the endothelial surface

Question 5

how does transmigration occur

Answer 5

neutrophils bind to PECAM-1

Question 6

what color are neutrophilic cytoplasmic granules

Answer 6

pink

Question 7

how long do monocytes macrophages stay in circulation

Answer 7

about 3 days

Question 8

what cytokines can macrophages secrete

Answer 8

IL-1
IL-6
IL-8
TNF-alpha

Question 9

where do dendritic cells reside

Answer 9

epithelial and lymphoid tissue

Question 10

explain the activation of dendritic cells

Answer 10

PAMP exposure stimulates maturation, causing the release of IL-2 and increases expression of B7 and C5a receptors

Question 11

what cytokines stimulate natural killer cells

Answer 11

IFN- alpha and beta