Instruction
1. What is the most important function of the lymphatic vessels? of the lymph nodes?
2. What is the special role of the tonsils? Is it a good idea to take them out?
If so why or why not?
3. Besides acting as mechanical barriers, the skin and mucosae of the body contribute to body protection in other ways. Cite the common body locations and the importance of mucus, lysozyme, keratin, acid pH, and cilia.
4. What is the purpose of the inflammatory response? Describe the process and why you get the following symptoms: redness, heat, pain, and swelling. Is ice a good or a bad thing to use for an injury? Why or why not?
5. What is the purpose of increasing the body temperature with a fever? What happens if you artificially lower it with anti-inflammatory drugs?
1. The specific body defense system, that includes B s and T s cells, is very complicated. For a simple explanation refer to Immune System Nuts-and-Bolts in your chapter outline. Read and re-read it until you have the basics down. Then answer the following questions with the help of the textbook.
5. Define antigen. Whjat is the difference between a complete antigen and an incomplete antigen (hapten)?
6. Differentiate clearly between humoral and cellular immunity, and between the roles of B lymphocytes and T lymphocytes.
7. What is the difference between naturally and artificially acquired immunity? Why would you rather have active versus passive acquired immunity?
8. Although the immune system has two arms, it has been said No T cells, no immunity. How is this so?
9. Describe the specific roles of helper, killer, and suppressor T cells in cell mediated immunity. Which is thought to be disabled in AIDS?
10. Define allergy, and distinguish between immediate types of allergy and delayed allergic reactions relative to cause and consequences. What drugs are useful for each type.
11. What events can result in the loss of self-tolerance and autoimmune disease?
Describe three types of autoimmune diseases and current treatments (Web) for each one.
12. What is the meaning of the term psychoneuroimmunology (an Internet search will give you more than you need on this)? Is it for real, why or why not?