Exam 3 Flashcards

1
Q

Chief cytokines that induce inflammation

A

IL1, IL6, IL8, TNF-alpha

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2
Q

IL - 1 beta local effects

A

Activates vascular endothelium, actives lymphocytes, local tissue destruction, increase access of effector cells

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3
Q

TNF - alpha local effects

A

-activates vascular endothelium and increases vascular permeability which leads to increased entry of IgG complement, and cells to tissues

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4
Q

IL - 6 local effects

A

Lymphocyte activation and increased antibody production

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5
Q

IL -8 local effects

A

Chemotactic factorrecruits neutrophils, basophils, and T cells to site of infection.

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6
Q

IL-12 local effects

A

Activates NK cells

Induces the differentiation of CD4 T cells into TH1 cells

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7
Q

Intramural polio vaccine

A

Killed/inactive vaccine

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8
Q

Downside to killed or inactived vaccine

A

Immune response may

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9
Q

IL - 1B systemic effects

A

fever and production of IL-6

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10
Q

TNF - Alpha systemic effects

A

fever, mobilization of metabolites, shock

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11
Q

IL- 6 systemic effects

A

fever and induces acute phase protein by hepatocytes

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12
Q

C-reactive protien

A

indicator of an acute-phase response in humans for early detection of infections, inflammation, or other diseases associated with tissue injury

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13
Q

Fibrogen

A

acute phase protein that reduces the charge on erythrocytes to make them more “sticky”

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14
Q

Extravasation steps

A
  1. adhesion molecules 2. rolling 3. diapedesis 4. chemotaxis
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15
Q

hallmark of inflammatory response to bacterial infection

A

higher amounds of PMNs from IL 8 (polymophonuclear lymphocytes like …)

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16
Q

rolling adhesion

A

e-selectin receptor - sialyl-lewis ligand

17
Q

tight binding

A

ICAM-1 receptor integrins ligand

18
Q

diapedesis

A

CD31 receptor - integrins ligand

19
Q

what causes aggregation and fusion of macrophages

A

IL - 4

20
Q

IL-gamma

A

activates macrophages

21
Q

what stimulates the production of proteases involved in removal of extracellular matrix

A

IL - 1

22
Q

What activates macrophages and protease production?

A

TNF - alpha

23
Q

What stimulates fibroblasts to heal tissue, and scar formation?

A

TGF - beta

24
Q

Stages of Ag-independent differentiation

A
  1. Pro-B cell, 2. Pre-Bcells, 3. Immature B Cell 4. Mature B Cell 5. Antigen receptors
25
Q

Coronal selection theory

A

B cell find it’s Ag and becomes mature OR dies from neglect if doesn’t find Ag

26
Q

Humoral immunity combats…

A

Extracellular pathogens

27
Q

Cell-mediated immunity combats ….

A

Intracellular pathogens

28
Q

Encapsulated organisms

A

Phagocytosis with help go IgG (antibody) and C3b(from complement system)

29
Q

Neutralizing antibody

A

Interference with binding