5t 5t 5t 5t 5t 5t 5t 5t
5t LABORATORYPERSPECTIVE,4THEDITION,CHRISTINEDORRESTEYN 5t 5t 5
t 5t 5
t 5t
STEVENS, LINDA E. MILLER 5t 5t 5t 5t 5 t
COMPLETECHAPTERS 5
t
Chapter 1. Introduction to Immunity and the Immune System
5t 5t 5t 5t 5t 5t 5t 5t
Multiple Choice 5t
1. Eosinophils are involved in the immune response against: 5t 5t 5t 5t 5t 5t 5t
A. viruses.
B. intracellular bacteria. 5t
C. parasites that cannot be phagocytized. 5t 5t 5t 5t
D. extracellular bacteria. 5t
ANS: C 5t
2. Which of the following are components of both innate and adaptive immune responses?
5t 5t 5t 5t 5t 5t 5t 5t 5t 5t 5t 5t
A. Immunoglobulins
B. T helper cells
5t 5t
C. Macrophages
D. Bcells
5t
ANS: C
5t 5t
3. The process bywhichleukocytes are attracted to a specific area bychemical messengers is called:
5t 5t 5t 5t 5t 5t 5t 5t 5t 5t 5t 5t 5t 5t 5t
A. diapedesis.
B. degranulation.
C. chemotaxis.
D. opsonization.
ANS: C 5t
4. Which of the following is acharacteristic of natural killer cells?
5t 5t 5t 5t 5t 5t 5t 5t 5t 5t
A. They mature in the thymus.
5t 5t 5t 5t
B. They are smaller than B and T cells.
5t 5t 5t 5t 5t 5t 5t
C. They are a type of lymphocyte.
5t 5t 5t 5t 5t
D. Theyare part of the adaptive immune system.
5t 5t 5t 5t 5t 5t 5t
ANS: C 5t
,5. Which of the following best describes diapedesis?
5t 5t 5t 5t 5t 5t
A. Movement towardincreasing concentrations of a cytokine
5t 5t 5t 5t 5t 5t
B. Attachment of immunoglobulin to target cells
5t 5t 5t 5t 5t
,C. Movementthrough blood vessel walls ascells exit thecirculation 5t 5t 5t 5t 5t 5t 5t 5t 5t
D. Engulfmentoftarget cells 5t 5t 5t
5t ANS: C 5t
6. The most effective phagocytic and antigen-presenting cell isthe:
5t 5t 5t 5t 5t 5t 5t 5t
A. neutrophil.
B. monocyte.
C. dendritic cell. 5t
D. macrophage.
ANS: C 5t
7. Which of the following is characteristic of natural immunity?
5t 5t 5t 5t 5t 5t 5t 5t
A. It involves memory.
5t 5t
B. T lymphocytes play a major role.
5t 5t 5t 5t 5t
C. It involves specificity.
5t 5t
D. Mechanisms are always present andfully functional. 5t 5t 5t 5t 5t 5t
ANS: D 5t
8. All of the following cells are considered part of natural immunity EXCEPT:
5t 5t 5t 5t 5t 5t 5t 5t 5t 5t 5t
A. eosinophils.
B. B lymphocytes.
5t
C. monocytes.
D. neutrophils.
ANS: B 5t
9. Where does the specific immune response to a foreign antigen mainly occur?
5t 5t 5t 5t 5t 5t 5t 5t 5t 5t 5t
A. Lymph nodes 5t
B. Blood
C. Bone marrow 5t
D. Skin
ANS:A
5t 5t
10. Which white cell in the peripheral blood migrates into tissue to become a macrophage?
5t 5t 5t 5t 5t 5t 5t 5t 5t 5t 5t 5t 5t
A. Eosinophil
B. Basophil
C. Neutrophil
, D. Monocyte
ANS: D
5t 5t
11. A white blood cell that is 16 to 18 micrometers in diameter, has a horseshoe-shaped nucleus, and is
5t 5t 5t 5t 5t 5t 5t 5t 5t 5t 5t 5t 5t 5t 5t 5t 5t
capable of phagocytosis is a:
5t 5t 5t 5t 5t
A. neutrophil.
B. eosinophil.
C. basophil.
D. monocyte.
ANS: D 5t
12. Pasteur's discovery that older bacterial cultures would not cause disease in chickens but would protect
5t 5t 5t 5t 5t 5t 5t 5t 5t 5t 5t 5t 5t 5t
them from subsequent infection with more virulent strains is an example of:
5t 5t 5t 5t 5t 5t 5t 5t 5t 5t 5t 5t
A. attenuated vaccine. 5t
B. natural immunity. 5t
C. passive immunity. 5t
D. cross-immunity.
ANS: A 5t
13. Antibodies are secreted by: 5t 5t 5t
A. plasma cells. 5t
B. B cells.
5t
C. T cells.
5t
D. dendritic cells. 5t
ANS: A 5t
14. Which of thefollowingis characteristic of mucosal-associated lymphoid tissue?
5t 5t 5t 5t 5t 5t 5t 5t 5t
A. It is one of the primary lymphoid organs.
5t 5t 5t 5t 5t 5t 5t
B. It clears pathogens fromthe bloodstream.
5t 5t 5t 5t 5t
C. It includes the tonsils and the appendix.
5t 5t 5t 5t 5t 5t
D. It includes the liver and spleen.
5t 5t 5t 5t 5t
ANS: C 5t
15. Acquired (adaptive) immunitycan becharacterized as: 5t 5t 5t 5t 5t 5t
A. nonspecifically activated. 5t
B. immediately responsive. 5t