NRl 503/l NR503l Midterml Exam:l
Populationl Health,l Epidemiology,l &l
Statisticall Principlesl Guidel (Latestl 2026/l
2027l Update)l |l Qsl &l As|l Gradel A|l
100%l Correctl (Verifiedl Answers)-l
Chamberlain
QUESTION
Howl wouldl youl explainl thel Triplel Aiml Initiativel (model)l tol al colleague?
Answer:
forl Populationsl seeksl tol reducel thel costl perl capital ofl care,l improvel thel healthl ofl
population,l andl enhancel patientl experiencel andl outcomes
QUESTION
Howl doesl sociall justicel andl healthl inequalitiesl influencel populationl healthl carel
provision?l Whyl isl thisl criticall informationl forl thel provisionl ofl evidence-basedl care?
Answer:
itl speaksl tol equall healthl carel andl thel qualityl ofl healthcarel tol alll individuals.l Ifl sociall
justicel isl notl performedl theml populationl healthl carel willl notl bel adequate.l Ifl alll
individualsl arel notl providedl withl equall opportunityl to
QUESTION
Whatl isl thel Campaignl forl Action?
Answer:
wasl establishedl asl al movementl tol utilizel medicall professionals,l specificallyl nurses,l
withinl anl interdisciplinaryl networkl tol increasel overalll satisfactionl withl theirl medicall
carel (Campaignl forl Action,l n.d.).l Thisl campaignl wasl initiatedl tol mobilizel thel conceptl
,ofl interdisciplinaryl carel withinl thel healthcarel realml tol assistl patientsl inl al holisticl
approachl tol ensurel positivel patientl outcomes.l
QUESTION
Explainl thel differencel betweenl primary,l secondary,l andl tertiaryl care.
Answer:
>Primaryl carel isl thingsl donel tol helpl preventl thel diseasel froml happening.l Thisl couldl
includel lawsl tol preventl certainl thingsl froml happeningl orl vaccinesl tol preventl al disease.l
>Secondaryl carel involvesl screeningl forl al disease.l Thisl mightl includel al healthl screeningl
orl psychologicall screeningl tol determinel ifl anl individuall hasl al particularl diseasel process.l
>Tertiaryl carel involvesl managingl thel symptomsl ofl al disease.l Thisl mightl includel al
cardiacl dietl forl thosel withl heartl disease.
QUESTION
whyl dol epidemiologicall research?
Answer:
>l measurel association
>l identificationl ofl relativesl risks
>l investigationl ofl relationships
QUESTION
cohortl study
Answer:
investigatorl selectsl al groupl ofl exposedl andl al groupl ofl non-exposedl andl followsl overl
time/throughl timel bothl groupsl tol comparel bothl groupsl outcomesl relatedl tol studyl
objective.l
AIM;l determinel whetherl initiall exposurel statusl influencesl riskl ofl subsequentl disease.l
(prospectivel andl retrospectivel studies).
QUESTION
cross-l sectionall study
,Answer:
exposurel andl diseasel outcomel arel determinedl SIMULTANEOSLYl forl eachl subject.l itl isl
al viewl ofl thel populationl atl al certainl pointl inl time.l Itl collectsl informationl aboutl
currentl diseasel statel and/orl currentl exposurel status.l Timel framel mayl bel monthl orl year.l
itl isl thel typel ofl studyl methodl utilizedl tol understandl thel pointl orl periodl prevalencel
ratesl ofl al disease.l relativelyl inexpensivel andl canl bel conductedl withinl al shortl timel
frame.
QUESTION
Case-controll study
Answer:
investigatesl relationshipl betweenl potentiall riskl factorsl andl disease.l
examinesl thel possiblel relationshipl ofl anl exposurel tol gettingl al certainl disease:l al groupl
ofl individualsl withl thel diseasel (cases)l arel comparedl tol al groupl ofl peoplel withoutl thel
diseasel (controls).l Thisl studyl examinesl relationshipsl betweenl potentiall risksl factorsl
wherel diseasel Xl (cases)l withl al samplel withoutl diseasel (X)l controlsl arel comparedl withl
respectl tol theirl exposurel tol riskl factors.l
example:l relationshipl ofl smokingl tol developmentl ofl coronaryl heartl disease.l
1.l startl withl peoplel withl Coronaryl heartl diseasel (case
2.l next,l peoplel withoutl coronaryl heartl diseasel (controls)
3.l nextl identifyl thel %l ofl eachl groupl thatl usedl cigarettesl andl comparel results;l analyzel
thel data
QUESTION
investigatel multiplel exposuresl onl al singlel disease
Answer:
casel controll study
QUESTION
investigatel multiplel outcomes
Answer:
cohortl study.
, QUESTION
diseasel rare
Answer:
casel controll study
QUESTION
accuratel assessmentl ofl exposurel status
Answer:
prospectivel cohortl study
QUESTION
anxietyl aboutl stabilityl ofl exposurel status
Answer:
prospectivel cohortl study
QUESTION
crossl sectional
Answer:
selectionl ofl subjectsl byl status:l no
infol collectedl ohl exposure:l current
infol collectedl onl disease:l current
QUESTION
Case-controll study
Answer:
selectionl ofl subjectsl byl status:l disease
infol collectedl ohl exposure:l past
Populationl Health,l Epidemiology,l &l
Statisticall Principlesl Guidel (Latestl 2026/l
2027l Update)l |l Qsl &l As|l Gradel A|l
100%l Correctl (Verifiedl Answers)-l
Chamberlain
QUESTION
Howl wouldl youl explainl thel Triplel Aiml Initiativel (model)l tol al colleague?
Answer:
forl Populationsl seeksl tol reducel thel costl perl capital ofl care,l improvel thel healthl ofl
population,l andl enhancel patientl experiencel andl outcomes
QUESTION
Howl doesl sociall justicel andl healthl inequalitiesl influencel populationl healthl carel
provision?l Whyl isl thisl criticall informationl forl thel provisionl ofl evidence-basedl care?
Answer:
itl speaksl tol equall healthl carel andl thel qualityl ofl healthcarel tol alll individuals.l Ifl sociall
justicel isl notl performedl theml populationl healthl carel willl notl bel adequate.l Ifl alll
individualsl arel notl providedl withl equall opportunityl to
QUESTION
Whatl isl thel Campaignl forl Action?
Answer:
wasl establishedl asl al movementl tol utilizel medicall professionals,l specificallyl nurses,l
withinl anl interdisciplinaryl networkl tol increasel overalll satisfactionl withl theirl medicall
carel (Campaignl forl Action,l n.d.).l Thisl campaignl wasl initiatedl tol mobilizel thel conceptl
,ofl interdisciplinaryl carel withinl thel healthcarel realml tol assistl patientsl inl al holisticl
approachl tol ensurel positivel patientl outcomes.l
QUESTION
Explainl thel differencel betweenl primary,l secondary,l andl tertiaryl care.
Answer:
>Primaryl carel isl thingsl donel tol helpl preventl thel diseasel froml happening.l Thisl couldl
includel lawsl tol preventl certainl thingsl froml happeningl orl vaccinesl tol preventl al disease.l
>Secondaryl carel involvesl screeningl forl al disease.l Thisl mightl includel al healthl screeningl
orl psychologicall screeningl tol determinel ifl anl individuall hasl al particularl diseasel process.l
>Tertiaryl carel involvesl managingl thel symptomsl ofl al disease.l Thisl mightl includel al
cardiacl dietl forl thosel withl heartl disease.
QUESTION
whyl dol epidemiologicall research?
Answer:
>l measurel association
>l identificationl ofl relativesl risks
>l investigationl ofl relationships
QUESTION
cohortl study
Answer:
investigatorl selectsl al groupl ofl exposedl andl al groupl ofl non-exposedl andl followsl overl
time/throughl timel bothl groupsl tol comparel bothl groupsl outcomesl relatedl tol studyl
objective.l
AIM;l determinel whetherl initiall exposurel statusl influencesl riskl ofl subsequentl disease.l
(prospectivel andl retrospectivel studies).
QUESTION
cross-l sectionall study
,Answer:
exposurel andl diseasel outcomel arel determinedl SIMULTANEOSLYl forl eachl subject.l itl isl
al viewl ofl thel populationl atl al certainl pointl inl time.l Itl collectsl informationl aboutl
currentl diseasel statel and/orl currentl exposurel status.l Timel framel mayl bel monthl orl year.l
itl isl thel typel ofl studyl methodl utilizedl tol understandl thel pointl orl periodl prevalencel
ratesl ofl al disease.l relativelyl inexpensivel andl canl bel conductedl withinl al shortl timel
frame.
QUESTION
Case-controll study
Answer:
investigatesl relationshipl betweenl potentiall riskl factorsl andl disease.l
examinesl thel possiblel relationshipl ofl anl exposurel tol gettingl al certainl disease:l al groupl
ofl individualsl withl thel diseasel (cases)l arel comparedl tol al groupl ofl peoplel withoutl thel
diseasel (controls).l Thisl studyl examinesl relationshipsl betweenl potentiall risksl factorsl
wherel diseasel Xl (cases)l withl al samplel withoutl diseasel (X)l controlsl arel comparedl withl
respectl tol theirl exposurel tol riskl factors.l
example:l relationshipl ofl smokingl tol developmentl ofl coronaryl heartl disease.l
1.l startl withl peoplel withl Coronaryl heartl diseasel (case
2.l next,l peoplel withoutl coronaryl heartl diseasel (controls)
3.l nextl identifyl thel %l ofl eachl groupl thatl usedl cigarettesl andl comparel results;l analyzel
thel data
QUESTION
investigatel multiplel exposuresl onl al singlel disease
Answer:
casel controll study
QUESTION
investigatel multiplel outcomes
Answer:
cohortl study.
, QUESTION
diseasel rare
Answer:
casel controll study
QUESTION
accuratel assessmentl ofl exposurel status
Answer:
prospectivel cohortl study
QUESTION
anxietyl aboutl stabilityl ofl exposurel status
Answer:
prospectivel cohortl study
QUESTION
crossl sectional
Answer:
selectionl ofl subjectsl byl status:l no
infol collectedl ohl exposure:l current
infol collectedl onl disease:l current
QUESTION
Case-controll study
Answer:
selectionl ofl subjectsl byl status:l disease
infol collectedl ohl exposure:l past
