Chapter 18 Notes

Question 1

An over-reaction of an immune response against a foreign antigen

Answer 1

Hypersensitivities

Question 2

4 types of hypersensitivity

Answer 2

Immediate
cytotoxic
immune complex-mediated
delayed or cell-mediated

Question 3

Type I

Answer 3

Immediate

Question 4

Type II

Answer 4

Cytotoxic

Question 5

Type III

Answer 5

Immune complex-mediated

Question 6

Type IV

Answer 6

Delayed or Cell-mediated

Question 7

Commonly called an allergy

Answer 7

Type I

Immediate

Question 8

The antigens that stimulate allergies are called

Answer 8

allergen

Question 9

allergens happen in which type of hypersensitivity

Answer 9

Type I

Immediate

Question 10

1: Antgen presenting cell, engulfs allergen and exposes the antigen to ______ ( type II helper T-cell)
2: Th2 releases _____—–> ________
3: B-cell —-> _______

Answer 10

Th2