Complete the following questions in your exercise book
The immune system.
a. What is an antibody? Describe its structure and its function in the immune system.
b. Explain the term “immunologic memory.”
2. When you get a splinter in your toe, the area can become red, hot, swollen and ooze pus.
Describe the specific causes of each of these symptoms.
3. Name the 3 general types of immunity and give an example of each.
5. When a TB skin test is performed, a small amount of harmless TB antigen is injected
under the skin. The patient monitors for redness and swelling at the site of injection. If a
patient has been previously exposed to TB, but does not currently have an active TB infection
will redness and swelling be observed? Why or why not?
7. If you are exposed to the varicella virus as a child and have not been vaccinated, you will
likely develop chicken pox. If you are exposed again as an adult, you probably will not
develop the disease again.
a. At first exposure, what type of immunity fights off the varicella virus?
b. The varicella vaccine contains a live virus. Is this safe? Why or why not? What is the
advantage of this type of vaccine over a vaccine made of a dead virus?