LABORATORYPERSPECTIVE,4THEDITION,CHRISTINEDORRESTEYN
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STEVENS, LINDA E. MILLER m
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COMPLETECHAPTERS k
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Chapter 1.Introduction to Immunity andtheImmune System
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Multiple Choice mk
1. Eosinophilsare involvedinthe immune response against: m
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A. viruses.
B. intracellularbacteria. m
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C. parasites that cannot be phagocytized. mk mk mk mk
D. extracellularbacteria. m
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ANS: C mk
2. Whichof the followingare components of both innate and adaptive immune responses?
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A. Immunoglobulins
B. T helper cells
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C. Macrophages
D. Bcells k
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ANS: C
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3. Theprocess bywhichleukocytes areattracted to a specific area bychemical messengers is called:
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A. diapedesis.
B. degranulation.
C. chemotaxis.
D. opsonization.
ANS: C mk
4. Whichof the following is acharacteristic of natural killer cells?
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A. They mature in the thymus.mk mk mk mk
B. They are smaller than B and T cells.
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C. They are a type of lymphocyte.
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D. Theyare part of the adaptive immune system.
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ANS: C mk
,5. Which ofthe followingbest describes diapedesis?
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A. Movement towardincreasingconcentrations of acytokine
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B. Attachment ofimmunoglobulintotarget cells
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,C. Movementthrough blood vessel walls ascells exit thecirculation m
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D. Engulfmentoftargetcells k
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6. Themost effective phagocyticand antigen-presentingcell isthe:
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A. neutrophil.
B. monocyte.
C. dendriticcell. k
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D. macrophage.
ANS: C mk
7. Which of the followingis characteristic of natural immunity?
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A. It involves memory.
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B. T lymphocytes play a major role.
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C. It involves specificity.
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D. Mechanisms are always present andfully functional. mk mk mk mk m
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ANS: D mk
8. All of the followingcells areconsidered part of naturalimmunity EXCEPT:
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A. eosinophils.
B. B lymphocytes.
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C. monocytes.
D. neutrophils.
ANS: B mk
9. Where doesthe specific immune responseto a foreign antigen mainly occur?
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A. Lymphnodes m
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B. Blood
C. Bone marrow mk
D. Skin
ANS:A
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10. Which white cell in theperipheral blood migrates into tissue to become a macrophage?
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A. Eosinophil
B. Basophil
C. Neutrophil
, D. Monocyte
ANS: D
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11. A white blood cell that is 16 to 18 micrometers in diameter, has a horseshoe-shaped nucleus, and is
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capable of phagocytosis is a:
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A. neutrophil.
B. eosinophil.
C. basophil.
D. monocyte.
ANS: D mk
12. Pasteur's discovery that older bacterial cultures would not cause disease inchickens but would protect them
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from subsequent infection with more virulent strains is an example of:
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A. attenuated vaccine. mk
B. natural immunity. mk
C. passive immunity. m
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D. cross-immunity.
ANS: A mk
13. Antibodiesaresecreted by: m
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A. plasma cells. m
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B. B cells.
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C. T cells.
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D. dendriticcells. k
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ANS: A mk
14. Whichof thefollowingischaracteristicof mucosal-associated lymphoid tissue?
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A. It is one of the primary lymphoid organs.
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B. It clears pathogens fromthe bloodstream.
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C. It includes the tonsils and the appendix.
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D. It includes the liver and spleen.
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ANS: C mk
15. Acquired(adaptive) immunitycan becharacterized as: k
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A. nonspecifically activated. m k
B. immediately responsive. mk