1. Four Corners Review

2. A. The skin and mucous membrane B. Helper T Cells C. B Cells D. Antibodies

3. A. Cytotoxic T Cells B. Antibodies C. Fever D. B Cells

4. A. Macrophage B. Antibody C. Helper T Cell D. Plasma Cell

5. A. Increased Thirst B. Weight Loss C. Frequent Urination D. All of the above

6. A. Antibodies secreted by B Cells B. T Cells C. T Cells and B Cells D. Both A and B

7. A. Antibodies B. Receptors C. Antigens D. Macrophages

8. A. Graves B. Non-Hodgkins Lymphoma C. Leukemia D. Lupus

9. A. Pathogen B. Interferon C. Infection D. Fungus

10. A. Helper T Cells B. Natural Killer Cells C. Complement Cells D. Macrophages

11. A. Histamine B. B Cells C. T Cells D. Macrophages

12. A. Cells release antihistamines B. A person is infected with HIV C. The body manufactures “anti-self” antibodies and attacks itself D. A person receives a blood transfusion of the wrong type

13. A. B Cells B. Helper T Cells C. Neutrophils D. Antibodies

14. A. Interfere with the release of suppressor T Cells B. Are antibodies directed against specific pathogens C. Contain specific B cells and T cells D. Elicit an immune response by forming memory cells

15. A. Rapid production of antibodies B. Rapid division of memory cells C. Release of large amounts of histamine D. Destruction of the pathogen before the person knows he or she is infected

16. A. Lungs B. Thymus C. Bone Marrow D. None of the above

17. A. Asthma B. Multiple Sclerosis C. Rheumatoid arthritis D. Type I Diabetes

18. A. Cytotoxic T Cells B. Helper T Cells C. Antibodies D. Both A and B

19. A. Secretion of antibodies B. Complement activity C. Natural Killer cells destroying bacteria D. Increased blood flow to the local blood vessels

20. A. Inflammation of joints B. Inflammation of kidneys C. Inflammation of skin D. All of the above

21. A. Helper T - T cell - B cell - Antibody B. Helper T - B cells - Antibodies C. Helper T - B cells – Plasma cells – antibodies D. Helper T – T Cell – Plasma cells – antibody

22. 1. A 2. C 3. D 4. D 5. A 6. C 7. B…..c 8. A 9. D 10. A 11. C 12. B 13. D 14. C 15. B 16. A 17. D 18. D 19. A 20. c