,Chapter 1. Introduction to Immunity and the Immune System
Multiple Choice
1. Eosinophils are involved in the immune response against:
A. viruses.
B. intracellular bacteria.
C. parasites that cannot be phagocytized.
D. extracellular bacteria.
ANS: C
2. Which of the following are components of both innate and adaptive immune responses?
A. Immunoglobulins
B. T helper cells
C. Macrophages
D. B cells
ANS: C
3. The process by which leukocytes are attracted to a specific area by chemical messengers is called:
A. diapedesis.
B. degranulation.
C. chemotaxis.
D. opsonization.
ANS: C
4. Which of the following is a characteristic of natural killer cells?
A. They mature in the thymus.
B. They are smaller than B and T cells.
C. They are a type of lymphocyte.
D. They are part of the adaptive immune system.
ANS: C
,5. Which of the following best describes diapedesis?
A. Movement toward increasing concentrations of a cytokine
B. Attachment of immunoglobulin to target cells
, C. Movement through blood vessel walls as cells exit the circulation
D. Engulfment of target cells
ANS: C
6. The most effective phagocytic and antigen-presenting cell is the:
A. neutrophil.
B. monocyte.
C. dendritic cell.
D. macrophage.
ANS: C
7. Which of the following is characteristic of natural immunity?
A. It involves memory.
B. T lymphocytes play a major role.
C. It involves specificity.
D. Mechanisms are always present and fully functional.
ANS: D
8. All of the following cells are considered part of natural immunity EXCEPT:
A. eosinophils.
B. B lymphocytes.
C. monocytes.
D. neutrophils.
ANS: B
9. Where does the specific immune response to a foreign antigen mainly occur?
A. Lymph nodes
B. Blood
C. Bone marrow
D. Skin
ANS: A
10. Which white cell in the peripheral blood migrates into tissue to become a macrophage?
A. Eosinophil
B. Basophil
C. Neutrophil
Multiple Choice
1. Eosinophils are involved in the immune response against:
A. viruses.
B. intracellular bacteria.
C. parasites that cannot be phagocytized.
D. extracellular bacteria.
ANS: C
2. Which of the following are components of both innate and adaptive immune responses?
A. Immunoglobulins
B. T helper cells
C. Macrophages
D. B cells
ANS: C
3. The process by which leukocytes are attracted to a specific area by chemical messengers is called:
A. diapedesis.
B. degranulation.
C. chemotaxis.
D. opsonization.
ANS: C
4. Which of the following is a characteristic of natural killer cells?
A. They mature in the thymus.
B. They are smaller than B and T cells.
C. They are a type of lymphocyte.
D. They are part of the adaptive immune system.
ANS: C
,5. Which of the following best describes diapedesis?
A. Movement toward increasing concentrations of a cytokine
B. Attachment of immunoglobulin to target cells
, C. Movement through blood vessel walls as cells exit the circulation
D. Engulfment of target cells
ANS: C
6. The most effective phagocytic and antigen-presenting cell is the:
A. neutrophil.
B. monocyte.
C. dendritic cell.
D. macrophage.
ANS: C
7. Which of the following is characteristic of natural immunity?
A. It involves memory.
B. T lymphocytes play a major role.
C. It involves specificity.
D. Mechanisms are always present and fully functional.
ANS: D
8. All of the following cells are considered part of natural immunity EXCEPT:
A. eosinophils.
B. B lymphocytes.
C. monocytes.
D. neutrophils.
ANS: B
9. Where does the specific immune response to a foreign antigen mainly occur?
A. Lymph nodes
B. Blood
C. Bone marrow
D. Skin
ANS: A
10. Which white cell in the peripheral blood migrates into tissue to become a macrophage?
A. Eosinophil
B. Basophil
C. Neutrophil
