,Chapterl1.lIntroductionltolImmunitylandlthelImmunelSystem
MULTIPLE CHOICE
1. Eosinophilslarelinvolvedlinlthelimmunelresponselagainst:
A. viruses.
B. intracellularlbacteria.
C. parasiteslthatlcannotlbelphagocytized.
D. extracellularlbacteria.
ANS:lC
2. Whichloflthelfollowinglarelcomponentsloflbothlinnatelandladaptivelimmunelresponses?
A. Immunoglobulins
B. Tlhelperlcells
C. Macrophages
D. Blcellsl
ANS:lC
3. Thelprocesslbylwhichlleukocyteslarelattractedltolalspecificlarealbylchemicallmessengerslislcalled:
A. diapedesis.
B. degranulation.
C. chemotaxis.
D. opsonization.
ANS:lC
4. Whichloflthelfollowinglislalcharacteristicloflnaturallkillerlcells?
A. Theylmaturelinlthelthymus.
B. TheylarelsmallerlthanlBlandlTlcells.
C. Theylarelaltypelofllymphocyte.
D. Theylarelpartlofltheladaptivelimmunelsystem.
ANS:lC
,5. Whichloflthelfollowinglbestldescribesldiapedesis?
A. Movementltowardlincreasinglconcentrationsloflalcytokine
B. Attachmentloflimmunoglobulinltoltargetlcells
C. Movementlthroughlbloodlvessellwallslaslcellslexitlthelcirculation
D. Engulfmentlofltargetlcellsl
ANS:lC
6. Thelmostleffectivelphagocyticlandlantigen-presentinglcelllislthe:
A. neutrophil.
B. monocyte.
C. dendriticlcell.
D. macrophage.
ANS:lC
7. Whichloflthelfollowinglislcharacteristicloflnaturallimmunity?
A. Itlinvolveslmemory.
B. Tllymphocyteslplaylalmajorlrole.
C. Itlinvolveslspecificity.
D. Mechanismslarelalwayslpresentlandlfullylfunctional.
ANS:lD
8. AllloflthelfollowinglcellslarelconsideredlpartloflnaturallimmunitylEXCEPT:
A. eosinophils.
B. Bllymphocytes.
C. monocytes.
D. neutrophils.
ANS:lB
9. Whereldoeslthelspecificlimmunelresponseltolalforeignlantigenlmainlyloccur?
A. Lymphlnodes
B. Blood
C. Bonelmarrow
D. Skinl
ANS:lA
10. Whichlwhitelcelllinlthelperipherallbloodlmigrateslintoltissueltolbecomelalmacrophage?
A. Eosinophil
B. Basophil
C. Neutrophil
, D. Monocyte
ANS:lD
l
11. Alwhitelbloodlcelllthatlisl16ltol18lmicrometerslinldiameter,lhaslalhorseshoe-
shapedlnucleus,landlislcapableloflphagocytosislisla:
A. neutrophil.
B. eosinophil.
C. basophil.
D. monocyte.
ANS:lD
12. Pasteur'sldiscoverylthatlolderlbacteriallcultureslwouldlnotlcauseldiseaselinlchickenslbutlwouldlprotectlthe
mlfromlsubsequentlinfectionlwithlmorelvirulentlstrainslislanlexamplelof:
A. attenuatedlvaccine.
B. naturallimmunity.
C. passivelimmunity.
D. cross-immunity.
ANS:lA
13. Antibodieslarelsecretedlby:
A. plasmalcells.
B. Blcells.
C. Tlcells.
D. dendriticlcells.
ANS:lA
14. Whichloflthelfollowinglislcharacteristicloflmucosal-associatedllymphoidltissue?
A. Itlisloneloflthelprimaryllymphoidlorgans.
B. Itlclearslpathogenslfromlthelbloodstream.
C. Itlincludesltheltonsilslandlthelappendix.
D. Itlincludeslthelliverlandlspleen.
ANS:lC
15. Acquiredl(adaptive)limmunitylcanlbelcharacterizedlas:
A. nonspecificallyl activated.
B. immediatelylresponsive.
MULTIPLE CHOICE
1. Eosinophilslarelinvolvedlinlthelimmunelresponselagainst:
A. viruses.
B. intracellularlbacteria.
C. parasiteslthatlcannotlbelphagocytized.
D. extracellularlbacteria.
ANS:lC
2. Whichloflthelfollowinglarelcomponentsloflbothlinnatelandladaptivelimmunelresponses?
A. Immunoglobulins
B. Tlhelperlcells
C. Macrophages
D. Blcellsl
ANS:lC
3. Thelprocesslbylwhichlleukocyteslarelattractedltolalspecificlarealbylchemicallmessengerslislcalled:
A. diapedesis.
B. degranulation.
C. chemotaxis.
D. opsonization.
ANS:lC
4. Whichloflthelfollowinglislalcharacteristicloflnaturallkillerlcells?
A. Theylmaturelinlthelthymus.
B. TheylarelsmallerlthanlBlandlTlcells.
C. Theylarelaltypelofllymphocyte.
D. Theylarelpartlofltheladaptivelimmunelsystem.
ANS:lC
,5. Whichloflthelfollowinglbestldescribesldiapedesis?
A. Movementltowardlincreasinglconcentrationsloflalcytokine
B. Attachmentloflimmunoglobulinltoltargetlcells
C. Movementlthroughlbloodlvessellwallslaslcellslexitlthelcirculation
D. Engulfmentlofltargetlcellsl
ANS:lC
6. Thelmostleffectivelphagocyticlandlantigen-presentinglcelllislthe:
A. neutrophil.
B. monocyte.
C. dendriticlcell.
D. macrophage.
ANS:lC
7. Whichloflthelfollowinglislcharacteristicloflnaturallimmunity?
A. Itlinvolveslmemory.
B. Tllymphocyteslplaylalmajorlrole.
C. Itlinvolveslspecificity.
D. Mechanismslarelalwayslpresentlandlfullylfunctional.
ANS:lD
8. AllloflthelfollowinglcellslarelconsideredlpartloflnaturallimmunitylEXCEPT:
A. eosinophils.
B. Bllymphocytes.
C. monocytes.
D. neutrophils.
ANS:lB
9. Whereldoeslthelspecificlimmunelresponseltolalforeignlantigenlmainlyloccur?
A. Lymphlnodes
B. Blood
C. Bonelmarrow
D. Skinl
ANS:lA
10. Whichlwhitelcelllinlthelperipherallbloodlmigrateslintoltissueltolbecomelalmacrophage?
A. Eosinophil
B. Basophil
C. Neutrophil
, D. Monocyte
ANS:lD
l
11. Alwhitelbloodlcelllthatlisl16ltol18lmicrometerslinldiameter,lhaslalhorseshoe-
shapedlnucleus,landlislcapableloflphagocytosislisla:
A. neutrophil.
B. eosinophil.
C. basophil.
D. monocyte.
ANS:lD
12. Pasteur'sldiscoverylthatlolderlbacteriallcultureslwouldlnotlcauseldiseaselinlchickenslbutlwouldlprotectlthe
mlfromlsubsequentlinfectionlwithlmorelvirulentlstrainslislanlexamplelof:
A. attenuatedlvaccine.
B. naturallimmunity.
C. passivelimmunity.
D. cross-immunity.
ANS:lA
13. Antibodieslarelsecretedlby:
A. plasmalcells.
B. Blcells.
C. Tlcells.
D. dendriticlcells.
ANS:lA
14. Whichloflthelfollowinglislcharacteristicloflmucosal-associatedllymphoidltissue?
A. Itlisloneloflthelprimaryllymphoidlorgans.
B. Itlclearslpathogenslfromlthelbloodstream.
C. Itlincludesltheltonsilslandlthelappendix.
D. Itlincludeslthelliverlandlspleen.
ANS:lC
15. Acquiredl(adaptive)limmunitylcanlbelcharacterizedlas:
A. nonspecificallyl activated.
B. immediatelylresponsive.
