Biologist ___________________________
Date ______________
Study Guide – Chapter 35 – Immune System
1. The germ theory of disease states that infectious diseases are caused by ____________.
2. What is the correct procedure for identifying the cause of an infectious disease:
1) The purified pathogens should cause the same disease in a new host.
2) The pathogen must be found in the body of a sick organism and not a healthy one.
3) The pathogen should be isolated and grown in a pure culture.
4) The pathogen should be isolated from the second host.
_______  _______  _______  ________
3. What is a pathogen?
4. How are infectious diseases spread?
5. What is the vector for Lyme disease?
6. What are your bodies nonspecific defenses?
7. The ______________ response can cause pain, swelling, and fever.
8. What is the body’s most important nonspecific defense?
9. What type of immune response is show
to the right?
10. Describe your immune systems specific
defense.
11. T or F – Memory B cells can be used against MORE than one pathogen.
12. What are antibodies?
13. What are the main working cells of the immune system?
14. How do memory B cells work?
15. What type of immune response is shown to the
right?
Which step shows the destruction of the infected
cell?
Which step shows the virus being consumed by a
cell?
Which structure will respond quickly if the same
virus invades the body again?
16. What is active immunity? Provide an example.
17. What is passive immunity? Provide an example.
18. What does the public health do in order to help fight disease?
19. Why do some people have allergies?
20. Autoimmune disease results when the immune system fails to
distinguish _______ from ___________.
21. What cells does HIV infect and kill?
22. Label the antigen and antibody to the right. How do antibodies
work as part of the immune system?