QUESTIONS

1. What is the definition of immunology?
2. What is meant by innate defence?
3. List 3 examples of innate defences.
4. What is an antigen?
5. What is acquired immunity?
6. What is natural immunity?
7. What is meant by passive immunity?
8. List 3 ways in which passive immunity may be achieved.
9. How is active immunisation achieved?
10. List 4 criteria essential for the safe use of vaccines.
11. Why are booster vaccinations necessary?
12. What is meant by an ELISA test? Give an example.