Immune System

1. What are antigens?
2. Describe the antigen/antibody reactions possible in blood transfusions
3. Describe the sequence of events in the immune system when the body first encounters a pathogen.
4. List the names and describe the functions the nonspecific defenses of the immune system. Include examples where appropriate.
5. What was the first artificial immunization? How did it prevent the disease in the body? Was it active or passive?
6. Define the functions of B cells, including subtypes.
7. Explain the ways that the helper T cells work in the immune system.
8. What is a cytotoxic T cell? How does it work?
9. Draw a diagram which illustrates the relationship between a macrophage, a helper T-Cell and a B cell.
10. What is perforin? What produces it?
11. Describe plasma cells, memory cells and stem cells.
12. Define humoral immunity and cell-mediated immunity.
13. Explain the inflammatory response.
14. What is an epitope?
15. Compare and contrast the primary immune response and the secondary immune response. Include a graph which shows both responses.