CellularandMolecularImmunology
h
AbulAbbas,AndrewLichtman,andShiv Pillai
h
10thEdition
,TableofContents
Chapter01PropertiesandOverviewofImmuneResponses 1
Chapter02CellsandTissuesoftheImmuneSystem 3
Chapter03 LeukocyteCirculation andMigration IntoTissues
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Chapter04Innate Immunity
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Chapter05AntibodiesandAntigens 17
Chapter06AntigenPresentationtoTLymphocytesandtheFunctionsof Major
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HistocompatibilityComplex Molecules hh 20
Chapter07 ImmuneReceptors and SignalTransduction b 27
Chapter08LymphocyteDevelopmentandAntigenReceptorGeneRearrangement
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Chapter09ActivationofT Lymphocytes hh 34
Chapter10 Differentiation andFunctionsofCD4+EffectorTCells
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Chapter11 Differentiation andFunctionsofCD8+EffectorTCells
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Chapter12 BCell Activation and AntibodyProduction
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Chapter13EffectorMechanismsofHumoral Immunity hh 52
Chapter14Specialized Immunityat EpithelialBarriersandin ImmunePrivileged Tissues
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Chapter15 Immunologic Toleranceand Autoimmunity
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Chapter16 Immunityto Microbes
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Chapter17Transplantation Immunology hh 72
Chapter18 Tumor Immunology
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Chapter19 HypersensitivityDisorders
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Chapter20 Allergy
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Chapter21Primaryand Acquired Immunodeficiencies
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,Chapter01:PropertiesandOverviewofImmuneResponses b b
Abbas,Lichtman,andPillai:CellularandMolecularImmunology,10thEdition
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MULTIPLECHOICE
1. Theprincipalfunctionoftheimmunesystem is: b
a. Defenseagainstcancer
b. Repairofinjured tissues b
c. Defenseagainstmicrobialinfections b
d. Preventionofinflammatorydiseases
e. Protectionagainstenvironmentaltoxins
ANS: C h h h h
Theimmunesystemhasevolvedinthesettingofselectivepressuresimposedbymicrobial h
infections. Although immune responses to cancer may occur, the concept that
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“immunosurveillance” against cancer is a principal function of the immune system is
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controversial. Repair of injured tissues may be a secondary consequence of the immune
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responses and inflammation. Although theimmunesystem has regulatoryfeatures that are
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needed to prevent excessive inflammation, prevention of inflammatory diseases is nota
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primaryfunction.The immune system can protect againstmicrobialtoxins,butitgenerally does
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not offer protection against toxinsof nonbiologic origin.
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2. Whichofthefollowinginfectiousdiseaseswaspreventedbythefirstsuccessful
vaccination?
h h
a. Polio
b. Tuberculosis
c. Smallpox
d. Tetanus
e. Rubella
ANS: C h h h h
In1798,EdwardJennerreportedthefirstintentionalsuccessfulvaccination,whichwasagainst
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smallpoxinaboy,usingmaterialfromthecowpoxpustulesofamilkmaid. In 1980, smallpox
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was reported tobe eradicated worldwide by avaccination program. Effective vaccines against
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tetanus toxin, rubella virus, and poliovirusweredeveloped in the 20thcentury and
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arewidely used. There is no effective vaccine against Mycobacteriumtuberculosis.
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3. Whichofthefollowingisauniquepropertyoftheadaptiveimmunesystem? b
a. Highlydiverserepertoireofspecificities forantigens b
b. Self-nonselfdiscrimination
c. Recognitionof microbialstructuresbybothcell-associatedand solublereceptors
b b
d. Protectionagainstviralinfections b
e. Responsesthathavethesamekineticsandmagnitudeonrepeatedexposuretothe h h
samemicrobe h h h
ANS: h h h h A
, Highly diverse repertoires of specificities forantigens arefound only inT and Blymphocytes,
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which arethe central cellular components of the adaptive immune system. Boththeinnateand
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theadaptive immunesystems usecell-associatedandsolublereceptors to recognize microbes,
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display some degree of self-nonself discrimination, and protect againstviruses. On repeated
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exposuretothesamemicrobe, theadaptiveimmuneresponse becomes more rapid and of
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greater magnitude; this isthe manifestation of memory.
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4. Antibodiesand Tlymphocytesaretherespectivemediators ofwhichtwotypesof
b b h h
h immunity?
h
a. Innateandadaptive
b. Passiveandactive
c. Specificand nonspecific b
d. Humoralandcell-mediated
e. Adultandneonatal
ANS: D h h h h
Both Band Tlymphocytes areprincipal components of adaptive immunity. Blymphocytes
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produce antibodies, which arethe recognition and effector molecules of humoral immune
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responsesto extracellularpathogens. T cellsrecognizeand promote eradication ofintracellular
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pathogensincell-mediatedimmunity. Passiveandactiveimmunityboth can be mediated by
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either B or Tlymphocytes. Specificimmunity is another term for adaptive immunity. Both Band T
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lymphocytesparticipate in adult adaptive immunity but are still developing in the neonatal
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period.
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5. Thetwomajorfunctional classesofeffectorTlymphocytesare: b
a. HelperTlymphocytesand cytotoxicTlymphocytes b
b. NaturalkillercellsandcytoWtoWxW
ic.TTlB
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mMph.oW
cyStes
c. MemoryTcellsandeffectorTcells
d. Helpercellsandantigen-presentingcells
e. CytotoxicTlymphocytes and target cells b b b
ANS: A h h h h
Tcellscanbeclassifiedintoeffectorsubsetsthatperformdifferenteffectorfunctions.Most
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effectorTcellsareeither helperTlymphocytes,whichenhancetheresponses ofotherimmune
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cells, including phagocytes and Bcells, toinfections, or cytotoxic Tlymphocytes, which
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directly kill infected cells. Natural killer cells arenot T lymphocytes.
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Antigen-presentingcellsusuallyarenotTcells.MemoryTcellsarenot effectorTcells. b b
6. Whichofthefollowingcelltypesisrequiredforalladaptivehumoralimmuneresponses? b
a. Naturalkillercells
b. Dendritic cells hh
c. CytolyticTlymphocytes
d. Blymphocytes
e. HelperTlymphocytes
ANS: D h h h h
Humoralimmuneresponses areantibody-mediated immuneresponses,andallantibodiesare b b h
madeby Blymphocytes and no other cell type.
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