Chapter 22: Lymphatic System and Immunity

Chapter Objectives

  1. Describe the functions of the lymphatic system.
  2. Describe the structure and functions of diffuse lymphatic tissue, lymph nodules, lymph nodes, tonsils, spleen, and thymus gland.
  3. Define the term innate immunity, and describe the cells and chemicals involved.
  4. Name the phagocytic cells of the immune system and describe their location and activities.
  5. List the events that occur during an inflammatory response, and explain their significance.
  6. Define the term antigen.
  7. Describe the origin, development, activation, and inhibition of lymphocytes.
  8. Define the term antigenic determinant, and describe antigen receptors.
  9. Explain the importance of the major histocompatibility complex antigens and costimulation.
  10. Define the terms antibody-mediated immunity and cell-mediated immunity, and name the cells responsible for each.
  11. Describe the structure of an antibody, list the different types of antibodies, and describe the effects produced by them.
  12. Discuss the primary and secondary response to an antigen. Explain the basis for long-lasting immunity.
  13. Describe the functions of T cells.
  14. Explain how innate, antibody-mediated, and cell-mediated immunity can function together to eliminate an antigen.
  15. Define and give examples of immunotherapy.
  16. Explain four ways by which adaptive immunity can be acquired.

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