type 3 hypersensitivity

Question 1

type 3 hypersensitivity is what type of reaction

Answer 1

immune (antigen-antibody) complex
mediated

Question 2

what happens during type 3 hypersensitivity

Answer 2

Complexes are formed in the circulation and
deposited later in vessel walls or
extravascular tissues.

Question 3

type 3 hypersensitivity is not _____ specific

Answer 3

is not organ specific

Question 4

what does type 3 hypersensitivity damage result from

Answer 4

results from complement activation
and neutrophil lysosomal enzymes.

Question 5

what are the 3 types of immune complex clearance

Answer 5

large; small; intermediate

Question 6

what is the large immune complex clearance

Answer 6

macrophages

Question 7

what is the small immune complex clearance

Answer 7

renal clearance

Question 8

what is the intermediate immune complex clearance

Answer 8

deposited in tissues; causes problems

Question 9

what is type 3 hypersensitivity characterized by

Answer 9

variety of symptoms

Question 10

what periods occurs during type 3 hypersensitivity

Answer 10

periods of remission or exacerbation occur

Question 11

what are some examples of type 3 hypersensitivity

Answer 11

serum sickness
arthus reaction

Question 12

what is an example of serum sickness

Answer 12

Raynaud phenomenon

Question 13

what tissues in the body are affected by serum sickness

Answer 13

blood vessels; joints; and kidney

Question 14

_______ causes some areas of the body — such as fingers and toes — to feel numb and cold in response to cold temperatures or stress. smaller arteries that supply blood to the skin narrow. This limits blood flow to affected areas, which is called vasospasm.

Answer 14

Raynaud phenomenon

Question 15

what is arthus reaction

Answer 15

Localized response causes increased
vascular permeability,

an accumulation of neutrophils, edema, hemorrhage, clotting, and tissue damage