Chapter 24 Immune System

Chapter 24  Immune System

TRUE/F ALSE

1. Cytokines include leukotrienes, interferons, and histamine.

ANS: F DIF: Application REF: Page 746 TOP: Organization of the Immune System

2. Complement is a chemical produced by cells after they become infected by a virus.

ANS: F DIF: Memorization TOP: Functions of Antibodies

3. Phagocytosis is a nonspecific defense mechanism.

ANS: T DIF: Application REF: Page 748 Immunity

4. Many of the inflammation mediators act as chemotactic factors.

ANS: T DIF: Memorization TOP: The Inflammatory Response

5. The inflammatory response is the body’s first line of defense. ANS: F DIF: Memorization

REF: Page 761

TOP: Innate

REF: Page 750

REF: Page 749

TOP: The Inflammatory Response
6. Neutrophils function in the immune system by producing immunoglobulins.

ANS: F DIF: Memorization REF: Page 752 TOP: Phagocytosis

7. Diapedesis is the process by which neutrophils migrate out of the bloodstream and around the tissue cells to the injury site.

ANS: T DIF: Memorization REF: Page 752 TOP: Phagocytosis

8. Natural killer cells are a group of neutrophils that kill many types of tumor cells and cells infected by different kinds of viruses.

Mosby items and derived items © 2013, 2010, 2007, 2003 by Mosby, Inc., an affiliate of Elsevier Inc.

Test Bank 24A-2

ANS: F DIF: Memorization REF: Page 753 TOP: Natural Killer Cells

MULTIPLE CHOICE

1. All of the following represent examples of nonspecific immunity except: a. species resistance.
b. phagocytosis.
c. cell-mediated immunity.

d. mechanical and chemical barriers.

ANS: C DIF: Memorization
REF: Page 747 (Table 24-1) TOP:

2. The body’s first line(s) of defense is(are) the:

1. skin.
2. mucous membranes.
3. inflammatory response.
4. Both A and B are correct.

ANS: A DIF: Memorization REF: TOP: Mechanical and Chemical Barriers

3. Inflammation mediators include: a. histamine.

Page 749

Page 750

Memorization REF:
5. The type of immune mechanism that provides a general defense by acting against

anything recognized as “not self” is called:
Mosby items and derived items © 2013, 2010, 2007, 2003 by Mosby, Inc., an affiliate of Elsevier Inc.

2. kinins.
3. prostaglandins.
4. all of the above.

ANS: D DIF: TOP: Inflammation

Memorization REF:

4. The most numerous type of phagocyte is the:

1. neutrophil.
2. histocyte.
3. microglia.
4. Kupffer cell.

ANS: A DIF: TOP: Phagocytosis

Page 752

Organization of the Immune System

Test Bank

24B-2

1. nonspecific immunity.
2. specific immunity.
3. autoimmune.
4. none of the above.

ANS: A DIF:
TOP: Organization of the Immune System

REF: Page 746

7. B cell mechanisms are classified as _____ immunity. a. nonspecific
b. antibody-mediated
c. cell-mediated

d. Both A and B are correct.

ANS: B DIF: Memorization TOP: Overview of Adaptive Immunity

Memorization

6. All of the following are major types of interferon except _____ interferon. a. cartilage

b. leukocyte c. immune d. fibroblast

ANS: A
TOP: Interferon

DIF: Memorization

REF: Page 755

REF: Page 756