Gordis Epidemiology 6th Edition Celentano Test Bank
c c c c c c
Chapter 01: Introduction
c c
Celentano:cGordiscEpidemiology,c6thcEditionc
TestcBank
MULTIPLEcCHOICE
1. Whichcofcthecfollowingciscancexamplecofctertiarycprevention?
a. Vaccinationcforcrotaviruscforcchildrenc youngercthancthecagecofc1cyear
b. Surgicalcamputationcofcancextremitycwithcosteosarcomac(boneccancer)
c. Screeningcforcgestationalcdiabetescafterc24cweekscofcpregnancy
d. Sexualceducationcprogramcincelementarycschools
e. Increasingctaxescforcbuyingccigarettesc
ANS:cB
Surgicalcamputationcofcancextremitycwithcosteosarcomac(boneccancer)ciscancexamplecincwhichcw
henc ac diseasec isc presentc thec treatmentc (amputation)c isc donec toc reducec thec impactc ofc diseasecbycp
reventingcthectumorcfromcdissemination.cVaccinationcforcrotaviruscforcchildrencyoungercthancthe
cagecofc1c year,csexualceducationcprogramcincelementarycschools,candcincreasingctaxescforcbuyingc
cigarettescrepresentcexamplescofcprimarycprevention.cScreeningcforcgestationalcdiabetescafterc24c
weekscofcpregnancyciscancexamplecofcsecondarycprevention.
2. ThischistoricccharactercobservedNtU
haRtcS
chIilN
dbGeT
dcB
fe.
veCrcO
mMortalitycwascmoreccommoncamongcwo
menctreatedcbycphysicianscandcmedicalcstudentsccomparedcwithcwomenctreatedcbycmidwives.c
Basedconchiscobservations,checimplementedcachandcwashcpolicycthatcresultedcincacdecreasecinc
mortality.cNamectheccharactercthatcwecarectalkingcabout.
a. JohncSnow
b. EdwardcJenner
c. D.A.cHenderson
d. LeoncGordis
e. IgnazcSemmelweisc
ANS:cE
IgnazcSemmelweiscidentifiedcthatcmedicalcstudentscandcphysiciansctransmittedcthecdiseasecbycn
otcwashingctheirchandscaftercexaminingcbodiescatcautopsiescandcconductingcmultiplecexaminati
onscincthecclinic.
3. ThanksctoctheccontributionscofcEdwardcJenner,cthecfollowingcdiseasecwasceradicatedclatercb
yceffortscorganizedcbycD.A.cHenderson:
a. Cholera
b. Smallpox
c. Chickenpox
d. Polio
e. Zika
,ANS:cB
Smallpoxcwasceradicatedcinc1980.cEdwardcJennercvaccinatedcJamescPhippscinc1796cagainstcs
mallpox.cAlmostc200cyearsclater,cthecWorldcHealthcOrganizationc(WHO)ccommissioned
D.A.cHendersonctocleadctheceffortsctoceradicatecthecdisease.
4. Overcthecpastccentury,cacmarkedcdeclinecincthecmortalitycratescofcmanycinfectiouscdiseasescha
scbeencobserved.cWhichcofcthecfollowingciscthecmostclikelycreasoncforcthecobservedcdeclinecincm
ortalitycratescfromccommoncinfectiouscdiseases?
a. Developmentcofcpenicillin
b. Developmentcofcinsulin
c. Developmentcofcvaccines
d. Improvementcincsocialcconditions
e. Worsecsanitationcandcunsafecwaterc
ANS:cD
Althoughcmedicalctreatmentscpotentiallychelpedcincthecdecreasecofcinfectiouscdiseases,cthecad
vancementcincsocialcconditionscplayedcacmajorcrole.cThesecimprovementscincludecbettercsanit
ation,csafecdisposalcofcwaste,cbettercnutrition,candcimprovementcinchousingcconditions.
,Chapter 02: The Dynamics of Disease Transmission
c c c c c c
Celentano:cGordiscEpidemiology,c6thcEditionc
MULTIPLEcCHOICE
1. Whichctermcmostcaccuratelycdescribescthecfollowingcdefinition?c“Thecoccurrencecincaccom
munitycorcregioncofccasescofcancillness,cspecificchealth-relatedcbehavior,corcotherchealth-
relatedceventscclearlycincexcesscofcnormalcexpectancy.”c[PortacM,ced.cAcDictionarycofcE
pidemiology.cNewcYork:cOxfordcUniversitycPress;c2014.]
a. Endemic
b. Epidemic
c. Pandemic
d. Attackcrate
e. Incubationcperiodc
ANS:cB
Ancepidemicciscthecoccurrencecofchealth-
relatedceventscincaccommunitycorcregion,cincclearcexcesscofcnormalcexpectation.cEndemicciscnotc
truecbecausecitciscdefinedcascthecconstantcoccurrencecofcacdisease,cdisorder,corcnoxiouscinfectiou
scagentcincacgeographiccareacorcpopulationcgroup.cPandemicciscnotctruecbecausecitciscdefinedcasca
ncepidemiccoccurringcoverca NcRcIcGcB.C
verycwidecarea,ccrossingcinternationUalcbSounNdarT ies,candOusuallycaffectingcaclargecnumbercof
people.cAttackcrateciscnotctruecbecausecitciscdefinedcascnumbercofcpeoplecatcriskcincwhomcaccert
aincillnesscdevelopscoverctotalcnumbercofcpeoplecatcrisk.cIncubationcperiodciscnotctruecbecauseci
tciscthecintervalcfromcreceiptcofcinfectionctocthectimecofconsetcofcclinicalcillnessc(theconsetcofcrec
ognizablecsymptoms).
2. Whatciscthecmostcaccuratecdefinitioncofcthecincubationcperiodc(ofcancinfectiouscdisease)?
a. Thectimecofconsetcofcclinicalcillnesscorctheconsetcofcrecognizablecsymptoms
b. Thecintervalcfromcreceiptcofcinfectionctocthectimecofconsetcofcclinicalcillnessc(theconsetcofcre
cognizablecsymptoms)
c. Thectimecofcinvasioncbycancinfectiouscagent
d. Thectimecbetweencinitiationcofcinfectioncandcfirstcsheddingcorcexcretioncofcthecagent
e. Thecperiodcbetweencexposurecandctheconsetcofcinfectiousnessc
ANS:cB
Thecincubationcperiodciscdefinedcascthecintervalcfromcreceiptcofcinfectionctocthectimecofconsetcofc
clinicalcillnessc(theconsetcofcrecognizablecsymptoms);cincothercwords,cthectimecbetweencthecmo
mentcofcdevelopingcsymptomscandcthecmomentcofcinvasioncbycancinfectiouscagent.c“Thectimecof
consetcofcclinical cillnesscorctheconsetcofcrecognizablecsymptoms”ciscnotctruecascitccorrespondsctoc
“timecofconset.”c“Thectimecofcinvasioncbycancinfectiouscagent”ciscnotctruecascitccorrespondsctoc“ti
mecofcinfection.”c“Thectimecbetweencinitiationcofcinfectioncandcfirstcsheddingcorcexcretioncofcth
ecagent”candc“Thecperiodcbetweencexposurecandctheconsetcofcinfectiousness”carecnotctruecascthey
ccorrespondctoc theclatent cperiod.c(Theclatentcperiodcis
, focusingconctheconsetcofcinfectiousness,cbutcthecincubationcperiodciscfocusingconctheconsetcofcth
ecsymptom.)
3. TherecwascacfoodcpoisoningcoutbreakconcAprilc1,c2018,catcthecCitycZcFoodcSafetycConference.
cTherecwerec1,000cpeoplecregisteredcforcthecconferencecwithcluncheon,c100cvolunteersctochost cat
tendees,candc50cpeoplecwhocservedcthecluncheoncduringcthecconference.cExceptcforc50cpeoplecw
hocservedcthecfood,callcofcthecparticipantscandcvolunteerscatecthecfoodcfromcthecluncheoncatcthecc
onferenceconcAprilc1,c2018.cBasedconlyconcthecinformationcgivencincthiscquestion,chowcmanycpeo
plecarecatcriskcincthiscfoodcpoisoningcoutbreak?
a.c1,000
b.c1,100
c.c1,150
d.c150
e.c50cAN
S:cB
Peoplecatcriskcincthiscoutbreakcarecpeoplecwhocwerecexposedctocthecfoodcatcthecconference.cEven
cthoughc1,150cpeoplecwerecatcthecconference,c50cpeoplecwhocservedcthecfoodcdidcnotceatcthecfoo
d.cThereforecwechavectocexcludecthosec50cpeople.
4. TherecwascacfoodcpoisoningcoutbreakconcAprilc1,c2018,catcthecCitycZcFoodcSafetycConferen
ce.cTherecwerec1,000cpeoplecregisteredcforcthecconferencecwithcluncheon,c100cvolunteersctoch
ostcattendees,candc50cpeoplecwhocservedcthecluncheoncduringcthecconference.
Exceptcforc50cpeoplecwhocservedcN ecR
thU odI,cN
foS alG
lcoTfcB
th.
ecC
paOrtM
icipantscandcvolunteerscatecthecfoodcfromc
thecluncheoncatcthecconferenceconcAprilc1,c2018.cAftercancinitialcoutbreakcofcfoodcpoisoningciscr
eported,cancepidemiologistcsendscsurveysctocallcpeoplecatcriskctocinvestigatecthe
cause.cHowever,conlyc900cpeoplecamongcthosecatcriskcanswercthecsurvey.cAftercanalysiscofc900c
surveycresults,cthecepidemiologistcconcludescthatcthecmostcsuspectedcfoodscincthecoutbreakcarec
pepperonicpizzacandcmeatballcspaghetti.cWhatciscthecoverallcattackcratecforcthosecwhocatecmeatb
allcspaghetti?c Usecthecfollowingctablectocanswercthecquestion.
SummarycofcSurveycResponses
Numbercofcpeoplecwhocdevel Numbercofcpeoplecwhocatecthecf
opedctheccasecdefinitioncsympt ood
oms
Pepperonicpizzaconly 113 275
Meatballcspaghetticonly 62 375
Bothcpepperonicpizzacandc 57 150
meatballcspaghetti
Neithercofcpepperonicpizzacorc 10 100
meatballcspaghetti
a.c41%
b.c38%
c.c27%
c c c c c c
Chapter 01: Introduction
c c
Celentano:cGordiscEpidemiology,c6thcEditionc
TestcBank
MULTIPLEcCHOICE
1. Whichcofcthecfollowingciscancexamplecofctertiarycprevention?
a. Vaccinationcforcrotaviruscforcchildrenc youngercthancthecagecofc1cyear
b. Surgicalcamputationcofcancextremitycwithcosteosarcomac(boneccancer)
c. Screeningcforcgestationalcdiabetescafterc24cweekscofcpregnancy
d. Sexualceducationcprogramcincelementarycschools
e. Increasingctaxescforcbuyingccigarettesc
ANS:cB
Surgicalcamputationcofcancextremitycwithcosteosarcomac(boneccancer)ciscancexamplecincwhichcw
henc ac diseasec isc presentc thec treatmentc (amputation)c isc donec toc reducec thec impactc ofc diseasecbycp
reventingcthectumorcfromcdissemination.cVaccinationcforcrotaviruscforcchildrencyoungercthancthe
cagecofc1c year,csexualceducationcprogramcincelementarycschools,candcincreasingctaxescforcbuyingc
cigarettescrepresentcexamplescofcprimarycprevention.cScreeningcforcgestationalcdiabetescafterc24c
weekscofcpregnancyciscancexamplecofcsecondarycprevention.
2. ThischistoricccharactercobservedNtU
haRtcS
chIilN
dbGeT
dcB
fe.
veCrcO
mMortalitycwascmoreccommoncamongcwo
menctreatedcbycphysicianscandcmedicalcstudentsccomparedcwithcwomenctreatedcbycmidwives.c
Basedconchiscobservations,checimplementedcachandcwashcpolicycthatcresultedcincacdecreasecinc
mortality.cNamectheccharactercthatcwecarectalkingcabout.
a. JohncSnow
b. EdwardcJenner
c. D.A.cHenderson
d. LeoncGordis
e. IgnazcSemmelweisc
ANS:cE
IgnazcSemmelweiscidentifiedcthatcmedicalcstudentscandcphysiciansctransmittedcthecdiseasecbycn
otcwashingctheirchandscaftercexaminingcbodiescatcautopsiescandcconductingcmultiplecexaminati
onscincthecclinic.
3. ThanksctoctheccontributionscofcEdwardcJenner,cthecfollowingcdiseasecwasceradicatedclatercb
yceffortscorganizedcbycD.A.cHenderson:
a. Cholera
b. Smallpox
c. Chickenpox
d. Polio
e. Zika
,ANS:cB
Smallpoxcwasceradicatedcinc1980.cEdwardcJennercvaccinatedcJamescPhippscinc1796cagainstcs
mallpox.cAlmostc200cyearsclater,cthecWorldcHealthcOrganizationc(WHO)ccommissioned
D.A.cHendersonctocleadctheceffortsctoceradicatecthecdisease.
4. Overcthecpastccentury,cacmarkedcdeclinecincthecmortalitycratescofcmanycinfectiouscdiseasescha
scbeencobserved.cWhichcofcthecfollowingciscthecmostclikelycreasoncforcthecobservedcdeclinecincm
ortalitycratescfromccommoncinfectiouscdiseases?
a. Developmentcofcpenicillin
b. Developmentcofcinsulin
c. Developmentcofcvaccines
d. Improvementcincsocialcconditions
e. Worsecsanitationcandcunsafecwaterc
ANS:cD
Althoughcmedicalctreatmentscpotentiallychelpedcincthecdecreasecofcinfectiouscdiseases,cthecad
vancementcincsocialcconditionscplayedcacmajorcrole.cThesecimprovementscincludecbettercsanit
ation,csafecdisposalcofcwaste,cbettercnutrition,candcimprovementcinchousingcconditions.
,Chapter 02: The Dynamics of Disease Transmission
c c c c c c
Celentano:cGordiscEpidemiology,c6thcEditionc
MULTIPLEcCHOICE
1. Whichctermcmostcaccuratelycdescribescthecfollowingcdefinition?c“Thecoccurrencecincaccom
munitycorcregioncofccasescofcancillness,cspecificchealth-relatedcbehavior,corcotherchealth-
relatedceventscclearlycincexcesscofcnormalcexpectancy.”c[PortacM,ced.cAcDictionarycofcE
pidemiology.cNewcYork:cOxfordcUniversitycPress;c2014.]
a. Endemic
b. Epidemic
c. Pandemic
d. Attackcrate
e. Incubationcperiodc
ANS:cB
Ancepidemicciscthecoccurrencecofchealth-
relatedceventscincaccommunitycorcregion,cincclearcexcesscofcnormalcexpectation.cEndemicciscnotc
truecbecausecitciscdefinedcascthecconstantcoccurrencecofcacdisease,cdisorder,corcnoxiouscinfectiou
scagentcincacgeographiccareacorcpopulationcgroup.cPandemicciscnotctruecbecausecitciscdefinedcasca
ncepidemiccoccurringcoverca NcRcIcGcB.C
verycwidecarea,ccrossingcinternationUalcbSounNdarT ies,candOusuallycaffectingcaclargecnumbercof
people.cAttackcrateciscnotctruecbecausecitciscdefinedcascnumbercofcpeoplecatcriskcincwhomcaccert
aincillnesscdevelopscoverctotalcnumbercofcpeoplecatcrisk.cIncubationcperiodciscnotctruecbecauseci
tciscthecintervalcfromcreceiptcofcinfectionctocthectimecofconsetcofcclinicalcillnessc(theconsetcofcrec
ognizablecsymptoms).
2. Whatciscthecmostcaccuratecdefinitioncofcthecincubationcperiodc(ofcancinfectiouscdisease)?
a. Thectimecofconsetcofcclinicalcillnesscorctheconsetcofcrecognizablecsymptoms
b. Thecintervalcfromcreceiptcofcinfectionctocthectimecofconsetcofcclinicalcillnessc(theconsetcofcre
cognizablecsymptoms)
c. Thectimecofcinvasioncbycancinfectiouscagent
d. Thectimecbetweencinitiationcofcinfectioncandcfirstcsheddingcorcexcretioncofcthecagent
e. Thecperiodcbetweencexposurecandctheconsetcofcinfectiousnessc
ANS:cB
Thecincubationcperiodciscdefinedcascthecintervalcfromcreceiptcofcinfectionctocthectimecofconsetcofc
clinicalcillnessc(theconsetcofcrecognizablecsymptoms);cincothercwords,cthectimecbetweencthecmo
mentcofcdevelopingcsymptomscandcthecmomentcofcinvasioncbycancinfectiouscagent.c“Thectimecof
consetcofcclinical cillnesscorctheconsetcofcrecognizablecsymptoms”ciscnotctruecascitccorrespondsctoc
“timecofconset.”c“Thectimecofcinvasioncbycancinfectiouscagent”ciscnotctruecascitccorrespondsctoc“ti
mecofcinfection.”c“Thectimecbetweencinitiationcofcinfectioncandcfirstcsheddingcorcexcretioncofcth
ecagent”candc“Thecperiodcbetweencexposurecandctheconsetcofcinfectiousness”carecnotctruecascthey
ccorrespondctoc theclatent cperiod.c(Theclatentcperiodcis
, focusingconctheconsetcofcinfectiousness,cbutcthecincubationcperiodciscfocusingconctheconsetcofcth
ecsymptom.)
3. TherecwascacfoodcpoisoningcoutbreakconcAprilc1,c2018,catcthecCitycZcFoodcSafetycConference.
cTherecwerec1,000cpeoplecregisteredcforcthecconferencecwithcluncheon,c100cvolunteersctochost cat
tendees,candc50cpeoplecwhocservedcthecluncheoncduringcthecconference.cExceptcforc50cpeoplecw
hocservedcthecfood,callcofcthecparticipantscandcvolunteerscatecthecfoodcfromcthecluncheoncatcthecc
onferenceconcAprilc1,c2018.cBasedconlyconcthecinformationcgivencincthiscquestion,chowcmanycpeo
plecarecatcriskcincthiscfoodcpoisoningcoutbreak?
a.c1,000
b.c1,100
c.c1,150
d.c150
e.c50cAN
S:cB
Peoplecatcriskcincthiscoutbreakcarecpeoplecwhocwerecexposedctocthecfoodcatcthecconference.cEven
cthoughc1,150cpeoplecwerecatcthecconference,c50cpeoplecwhocservedcthecfoodcdidcnotceatcthecfoo
d.cThereforecwechavectocexcludecthosec50cpeople.
4. TherecwascacfoodcpoisoningcoutbreakconcAprilc1,c2018,catcthecCitycZcFoodcSafetycConferen
ce.cTherecwerec1,000cpeoplecregisteredcforcthecconferencecwithcluncheon,c100cvolunteersctoch
ostcattendees,candc50cpeoplecwhocservedcthecluncheoncduringcthecconference.
Exceptcforc50cpeoplecwhocservedcN ecR
thU odI,cN
foS alG
lcoTfcB
th.
ecC
paOrtM
icipantscandcvolunteerscatecthecfoodcfromc
thecluncheoncatcthecconferenceconcAprilc1,c2018.cAftercancinitialcoutbreakcofcfoodcpoisoningciscr
eported,cancepidemiologistcsendscsurveysctocallcpeoplecatcriskctocinvestigatecthe
cause.cHowever,conlyc900cpeoplecamongcthosecatcriskcanswercthecsurvey.cAftercanalysiscofc900c
surveycresults,cthecepidemiologistcconcludescthatcthecmostcsuspectedcfoodscincthecoutbreakcarec
pepperonicpizzacandcmeatballcspaghetti.cWhatciscthecoverallcattackcratecforcthosecwhocatecmeatb
allcspaghetti?c Usecthecfollowingctablectocanswercthecquestion.
SummarycofcSurveycResponses
Numbercofcpeoplecwhocdevel Numbercofcpeoplecwhocatecthecf
opedctheccasecdefinitioncsympt ood
oms
Pepperonicpizzaconly 113 275
Meatballcspaghetticonly 62 375
Bothcpepperonicpizzacandc 57 150
meatballcspaghetti
Neithercofcpepperonicpizzacorc 10 100
meatballcspaghetti
a.c41%
b.c38%
c.c27%
