Chapter 42: Immunology: Animal Defense Systems

 

Complete Chapter Questions With Answers

 

Sample Questions Are Posted Below

 

Multiple Choice

 

1. After surviving an infection during the plague of Athens (in the Peloponnesian War), Thucydides noted that he no longer feared the disease, “for the same man was never attacked twice.” Unknowingly, he was referring to
2. the fact that minute amounts of pathogen remain in the body indefinitely, preventing recolonization.
3. the role of interferons in preventing replication of microbes.
4. the earlier Roman idiom that “lightning never strikes twice,” which credited Zeus with protecting the unlucky.
5. the presence of “memory cells” that are protective in case of later reexposure to the disease.
6. the tendency of microbes to deplete the resources they need from a given host, thus making recolonization unlikely.

Answer: d

Textbook Reference: 42.0 The plague of Athens

Page: 873

Bloom’s Category: 2. Understanding

 

2. It has been discovered only recently that the plague of Athens (during the Peloponnesian War) was likely caused by
3. smallpox.
4. the malicious spread of cowpox.
5. gangrene.
6. typhoid.
7. HIV.

Answer: d

Textbook Reference: 42.0 The plague of Athens

Page: 873

Bloom’s Category: 1. Remembering

 

3. Antibodies are made by
4. T cells.
5. Mast cells.
6. macrophages.
7. B cells.
8. All of the above

Answer: d

Textbook Reference: 42.0 The plague of Athens,

Page: 874

Bloom’s Category: 2. Understanding

 

4. Which of the following statements about specific and nonspecific defenses is false?
5. Defense systems involve recognition of self from nonself.
6. Nonspecific defenses typically act more rapidly than specific defenses.
7. Specific defense mechanisms are typically the body’s first line of defense.
8. The skin is an example of a nonspecific defense.
9. All of the above are true; none is false.

Answer: c

Textbook Reference: 42.1 What Are the Major Defense Systems of Animals?

Page: 874

Bloom’s Category: 2. Understanding

 

5. Which of the following is not a lymphoid tissue?
6. Spleen
7. Thymus
8. Bone marrow
9. Lymph nodes
10. All of the above are lymphoid tissues.

Answer: e

Textbook Reference: 42.1 What Are the Major Defense Systems of Animals?

Page: 875

Bloom’s Category: 2. Understanding