Past Exam Short Questions
Mr.Cummins
The Human Defence System
1. What is meant by the term immunity?
2. Distinguish between active and passive immunity.
3. What is the purpose of vaccination?
4. Distinguish between antigen and antibody.
5. What is meant by the term immunity?
6. Outline briefly the role of B lymphocytes in the human immune system.
7. Distinguish between active and passive immunity.
8. “Vaccination gives rise to active immunity”. Explain this statement.
9. In certain situations a person is given a specific antibody rather than being vaccinated.
Is this an example of active or passive immunity?
10. Under what circumstances might an antibody, rather than a vaccination, be given?
11. Comment on the duration of immunity that follows the administration of an antibody.
12. Write notes on the role of lymphocytes.
13. What is meant by the term immunity?
14. The skin is an important part of our immune system.
Outline two ways in which the skin
provides immunity.
15. To help the immune system, many people receive vaccinations during their lifetime.
What is meant by the term vaccination?
16. Antibiotics are usually not given to a person suffering from a viral infection. Suggest a reason
for this