Epidemiology FINAL EXAM
QUESTIONS AND ANSWERS
UPDATED 2027
SensitivityBandBspecificityBofBaBscreeningBtestBreferBtoBits:B-BAnswerBvalidity
TrueBorBFalse?BTheBnaturalBhistoryBofBdiseaseBrefersBtoBtheBtimeBcourseBofBdiseaseBf
romBitsBbeginningBtoBitsBfinalBclinicalBendpointsB-BAnswerBtrue
TrueBorBFalse?BReliabilityBisBsynonymousBwithBaccuracy,BwhereasBvalidityBisBsynonymo
usBwithBprecision.B-BAnswerBfalse
TrueBorBFalse?BTertiaryBpreventionBisBdirectedBtowardBtheBlaterBstagesBofBpathogenesi
sBandBinvolvesBprogramsBforBrestoringBtheBpatient'sBoptimalBfunctioningB-
BAnswerBtrue
TrueBorBFalse?BScreeningBforBdiseaseBprovidesBonlyBpreliminaryBinformationBthatBnee
dsBtoBbeBfollowedBbyBdiagnosticBinformationB-BAnswerBtrue
TrueBorBFalse?BAlthoughBaBmeasureBthatBisBinvalidBcanBbeBreliable,BitBisBneverBpossi
bleBforBaBmeasureBthatBisBunreliableBtoBbeBvalidB-BAnswerBtrue
TrueBorBFalse?BScreeningBtestsBareBadministeredBtoBpeopleBwhoBappearBtoBbeBillB-
BAnswerBfalse
TrueBorBFalse?BMassBscreeningBisBlikelyBtoBresultBinBtheBgreatestByieldBofBtrueBcases
B-BAnswerBfalse
TrueBorBFalse?BSecondaryBpreventionBinvolvesBtheBpreventionBofBdiseaseBbeforeBitBoc
curs.B-BAnswerBfalse
, TrueBorBFalse?BTheBphenomenonBofBoverdiagnosisBmayBresultBinBunwarrantedBmedica
lBtestingBandBprocedure.B-BAnswerBtrue
TrueBorBFalse?BScreeningBtestsBneedBtoBdemonstrateBreliabilityBandBvalidityB-
BAnswerBtrue
WhichBofBtheBfollowingBisBanBexampleBofB"simple"BhealthBpolicyBquestionsBthatBpert
ainBtoBtheBuseBofBscreeningBtests?B-BAnswerBWhoBshouldBbeBscreened?
WhatBconditionsBshouldBbeBscreened?
AtBwhatBageBshouldBscreeningBbegin?
allBofBtheBabove***
TheBabilityBofBaBscreeningBtestBtoBidentifyBcorrectlyBallBscreenedBindividualsBwhoBact
uallyBhaveBtheBdiseaseBrefersBtoBtheBtest'sB-BAnswerBsensitivity
TheBabilityBofBaBtestBtoBidentifyBonlyBnondiseasedBindividualsBwhoBactuallyBdoBnotBh
aveBtheBdiseaseBrefersBtoBtheBtest'sB-BAnswerBspecificity
TheBabilityBofBaBmeasuringBinstrumentBtoBgiveBconsistentBresultsBinBrepeatedBtrialsBis
BknownBasBtheBinstrument's:B-BAnswerBreliability
rueBorBFalse?BActiveBimmunityBisBacquiredBfromBantibodiesBproducedBbyBanotherBper
sonBorBanimalB-BAnswerBfalse
TheBexternalBenvironmentBcomprises:B(selectBallBthatBapply)B-
BAnswerBphysicalBcomponents
socialBcomponents
economicBcomponents
TrueBorBFalse?BInBdevelopedBcountries,BchronicBhealthBproblemsBhaveBreplacedBinfecti
ousBdiseasesBasBtheBleadingBkillersBduringBtheBpastBcentury.B-BAnswerBtrue
QUESTIONS AND ANSWERS
UPDATED 2027
SensitivityBandBspecificityBofBaBscreeningBtestBreferBtoBits:B-BAnswerBvalidity
TrueBorBFalse?BTheBnaturalBhistoryBofBdiseaseBrefersBtoBtheBtimeBcourseBofBdiseaseBf
romBitsBbeginningBtoBitsBfinalBclinicalBendpointsB-BAnswerBtrue
TrueBorBFalse?BReliabilityBisBsynonymousBwithBaccuracy,BwhereasBvalidityBisBsynonymo
usBwithBprecision.B-BAnswerBfalse
TrueBorBFalse?BTertiaryBpreventionBisBdirectedBtowardBtheBlaterBstagesBofBpathogenesi
sBandBinvolvesBprogramsBforBrestoringBtheBpatient'sBoptimalBfunctioningB-
BAnswerBtrue
TrueBorBFalse?BScreeningBforBdiseaseBprovidesBonlyBpreliminaryBinformationBthatBnee
dsBtoBbeBfollowedBbyBdiagnosticBinformationB-BAnswerBtrue
TrueBorBFalse?BAlthoughBaBmeasureBthatBisBinvalidBcanBbeBreliable,BitBisBneverBpossi
bleBforBaBmeasureBthatBisBunreliableBtoBbeBvalidB-BAnswerBtrue
TrueBorBFalse?BScreeningBtestsBareBadministeredBtoBpeopleBwhoBappearBtoBbeBillB-
BAnswerBfalse
TrueBorBFalse?BMassBscreeningBisBlikelyBtoBresultBinBtheBgreatestByieldBofBtrueBcases
B-BAnswerBfalse
TrueBorBFalse?BSecondaryBpreventionBinvolvesBtheBpreventionBofBdiseaseBbeforeBitBoc
curs.B-BAnswerBfalse
, TrueBorBFalse?BTheBphenomenonBofBoverdiagnosisBmayBresultBinBunwarrantedBmedica
lBtestingBandBprocedure.B-BAnswerBtrue
TrueBorBFalse?BScreeningBtestsBneedBtoBdemonstrateBreliabilityBandBvalidityB-
BAnswerBtrue
WhichBofBtheBfollowingBisBanBexampleBofB"simple"BhealthBpolicyBquestionsBthatBpert
ainBtoBtheBuseBofBscreeningBtests?B-BAnswerBWhoBshouldBbeBscreened?
WhatBconditionsBshouldBbeBscreened?
AtBwhatBageBshouldBscreeningBbegin?
allBofBtheBabove***
TheBabilityBofBaBscreeningBtestBtoBidentifyBcorrectlyBallBscreenedBindividualsBwhoBact
uallyBhaveBtheBdiseaseBrefersBtoBtheBtest'sB-BAnswerBsensitivity
TheBabilityBofBaBtestBtoBidentifyBonlyBnondiseasedBindividualsBwhoBactuallyBdoBnotBh
aveBtheBdiseaseBrefersBtoBtheBtest'sB-BAnswerBspecificity
TheBabilityBofBaBmeasuringBinstrumentBtoBgiveBconsistentBresultsBinBrepeatedBtrialsBis
BknownBasBtheBinstrument's:B-BAnswerBreliability
rueBorBFalse?BActiveBimmunityBisBacquiredBfromBantibodiesBproducedBbyBanotherBper
sonBorBanimalB-BAnswerBfalse
TheBexternalBenvironmentBcomprises:B(selectBallBthatBapply)B-
BAnswerBphysicalBcomponents
socialBcomponents
economicBcomponents
TrueBorBFalse?BInBdevelopedBcountries,BchronicBhealthBproblemsBhaveBreplacedBinfecti
ousBdiseasesBasBtheBleadingBkillersBduringBtheBpastBcentury.B-BAnswerBtrue