Question 1: Describe the role of the macrophage in the immune response.
Question 2: State the origin and purpose of lymphocytes.
Question 3: Compare active natural immunity and passive artificial immunity, describing the causative mechanism and giving an example.
Question 4: What is the purpose of a booster vaccination?
Question 5: Describe the purpose of gamma globulins.
Question 6: Where is IgA found in the body?
Question 7: Describe how type III hypersensitivity develops.
Question 8: Explain the process by which an attack of hay fever follows exposure to pollen.