Question

1. Define an allergen and give an example.

2.Which type of allergic reaction is mediated by Th1 cells and cytotoxic T cells

a. Arthus reaction.

b. Type IV hypersensitivity..

c. Asthma.

d.Type III hypersensitivity.

3.Which cells produce IgE?

4.Give the definition of self tolerance.

5. Give 2 examples of autoimmune disease

6.CCR5 is expressed at the surface of the HIV virus.

a.True. b.False

7. Mycobacterium leprae is an intracellular viral pathogen

a. True b.False

8. Where occurs the development of CD4 and CD8 T cells?

a. Thyroid.

b. Thymus.

c. Bone morrow.

d. Lymph Node.

e. All of above

9. H1N1 is a subtype of Influenza A virus. What is the meaning of H and N?

Answer 1

page 1 page 2