1. Healthy immune system destroys cancer cells with

CTL's and activated macrophages

2. A positive tuberculin skin test is an example of

Delayed cell-mediated immunity

3. All of the following are considered examples of type I hypersensitivity EXCEPT

Transplant rejections

4. Allergic contact dermatitis is due to

Sensitized T cells

5. Attachment of HIV to the target cell depends on

gp120 combining with CD4+ receptor

6. Desensitization involved injection of

Antigens

7. During the asymptomatic phase I of HIV disease, HIV infection diagnosed by

Detecting viral RNA

8. In rheumatoid arthritis, IgM, IgG and complement deposit in joints. This is an example of

Immune complex autoimmunity

9. In the serological method for tissue typing, if human cells expressing HLA-I are mixed with anti HLA-I, complement, and trypan blue, what would indicate the cells are HLA-I

Trypan blue enters the cells

10. Rheumatoid arthritis is due to deposition of

Complexes of IgM and IgG and also complement in joints

11. The chemical mediators of anaphylaxis are

Found in basophils and mast cells

12. The number of T cells drops to below 200 cells/microliter in which phase of HIV infection

Phase 3

13. The process of desensitization to prevent allergies involved the injection of increasing amounts of

Antigen

14. Treatment with certain drugs to reduce transplant rejection can cause

Immunosuppression

15. When testing donated blood for compatibility you would find a person with O type blood

Will lack A & B red blood cell antigens

16. Which antibodies will be in the serum of a person with blood type B, RH+?

anti-A

17. Which of the following is the least likely vaccine against HIV?

Attenuated Virus

18. Which of the following statements about type I reactions of False?

They involve helper T Cells

19. Which of the following statements about type IV reactions is False?

Hemolytic disease of the newborn is an example

20. Which of the following types of transplant is least compatible?

xenotransplant