Hypersensitivity

Question 1

Which hypersensitivities are mediated by immunoglobulins

Answer 1

I, II, and III

Question 2

Which hypersensitivity is cell mediated

Answer 2

IV

Question 3

What is Type I mediated by

Answer 3

IgE

Question 4

What is Type II mediated by

Answer 4

IgG and IgM

Question 5

What is Type III mediated by

Answer 5

IgG and IgM (mostly IgG)

Question 6

What is Type IV mediated by

Answer 6

mast cells

Question 7

Which hypersensitivity reaction is involved in seasonal allergies/anaphylaxis

Answer 7

Type I

Question 8

Which hypersensitivity reaction is involved in direct cytotoxicity

Answer 8

Type II

Question 9

Which hypersensitivity reaction results in cellular and tissue damage due to association with antigen/antibody complexes

Answer 9

Type III

Question 10

Which hypersensitivity reaction is associated with contact dermatitis or granuloma formation

Answer 10

Type IV

Question 11

Do all hypersensitivities require a sensitization phase

Answer 11

Yes

Question 12

Do all hypersensitivities require a second exposure

Answer 12

No

Question 13

Which hypersensitivity reaction responds to soluble antigen

Answer 13

Type III

Question 14

Which hypersensitivity reaction responds to bound antigens

Answer 14

Type II

Question 15

What is a hypersensitivity reaction

Answer 15

an exaggerated or inappropriate response to a foreign or self antigen

Question 16

Type I examples

Answer 16

seasonal allergies
food allergies

Question 17

Type II example

Answer 17

myasthenia gravis

Question 18

Type III example

Answer 18

rheumatoid arthritis

Question 19

Type IV example

Answer 19

contact dermatitis
multiple sclerosis