Tolerence

Question 1

True or false
Autotolernce is Induction of tolerance to an antigen at any
time during life

Answer 1

False, acquired..

Question 2

acquired tolerance Can be used for treatment of autoimmune
diseases
T or f

Answer 2

T

Question 3

Mechanisms of auto tolerance .?

Answer 3

Central-perioheral

Question 4

Examples of sequestered antigens

Answer 4

Eye lens
Sperms

Question 5

True or false Class II MHC are normally expressed ONLY on professional
antigen presenting cell

Answer 5

T

Question 6

True ir false
Viral infection ibduce productiob of inf-y therfore increase class ll mhc exoression on variety of cells

Answer 6

T

Question 7

Rheumatic fever is an example of Inappropriate class II MHC expression on apc

Answer 7

F. Cross reacting

Question 8

True or false
estrogen
can induce c cells to enhance
formation of anti-DNA
antibodies

Answer 8

False. B cells

Question 9

T or f
Gravw disease is a non otganic specific disease

Answer 9

F

Question 10

True or false
Negative selection occurs in peripheral tissue

Answer 10

False, primary organs

Question 11

True or false
Rheumatiod arthrits is organ specific diseaes

Answer 11

No. Non organ sp