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Transcript
Name __________________________________ Period _________ Date ______________________ Mr. Reda AP: CHAPTER 33: IMMUNE SYSTEM 1. List the two lines of nonspecific defense mechanisms with examples of each. __________________________________________________________________________ __________________________________________________________________________ 2. What is meant by specific defense? __________________________________________________________________________ __________________________________________________________________________ 3. Give examples of “barrier defense.” __________________________________________________________________________ __________________________________________________________________________ 4. What is the role of phagocytic leukocytes? __________________________________________________________________________ __________________________________________________________________________ 5. What is the role of the lymphatic system? __________________________________________________________________________ __________________________________________________________________________ 6. How does the lymphatic system aid in immunity? __________________________________________________________________________ __________________________________________________________________________ 1 of 4 2004-2005 7. Outline the significant steps that occur during an inflammatory response? __________________________________________________________________________ __________________________________________________________________________ 8. What is an antigen? __________________________________________________________________________ __________________________________________________________________________ 9. Identify several differences between the lymphocyctes. a. B Lymphocytes __________________________________________________________ __________________________________________________________________________ b. T Lymphocytes __________________________________________________________ __________________________________________________________________________ 10. What is the role of MHC? __________________________________________________________________________ __________________________________________________________________________ 11. What is the role of cytotoxic T cells and describe their mechanism of action? __________________________________________________________________________ __________________________________________________________________________ 12. What are some of the actions of helper T cells? __________________________________________________________________________ __________________________________________________________________________ 2 of 4 2004-2005 13. How do B cells become activated? __________________________________________________________________________ __________________________________________________________________________ 14. When B cells are activated, what do they do? __________________________________________________________________________ __________________________________________________________________________ 15. List and briefly describe four ways antibodies aid in immunity. __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ 16. Why is secondary response quicker and more robust than primary response? __________________________________________________________________________ __________________________________________________________________________ 17. Define active immunity. __________________________________________________________________________ __________________________________________________________________________ 18. Define passive immunity. __________________________________________________________________________ __________________________________________________________________________ 3 of 4 2004-2005 19. What happens when you have an allergy? __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ 20. Propose a possible reason why there may be a small percentage of people who have a natural immunity to HIV? __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ 4 of 4 2004-2005