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Epidemiologym-
mCORRECTmANSWERmthemstudymofmthemdistributionmandmdeterminantsmofmhealthmandmdiseaseminm
humanmpopulation
ThreemElementsmofmthemEpidemiologicalmTrianglem-mCORRECTmANSWERm-
mAgent:mactualmcausemofmdisease
-mHost:mcarriermofmdisease
-mEnvironment:manymoutsidemfactors
UsemofmEpidemiologyminmDiseasemControlmandmPreventionm-
mCORRECTmANSWERmPERSON:m"Who"mfactors,msuchmasmdemographicmcharacteristics,mhealth,mand
mdiseasemstatus
PLACE:m"Where"mfactors,msuchmasmgeographicm(data)mlocation,mclimatemandmenvironmentalmcondi
tions,mandmpoliticalmandmsocialmenvironment
TIME:m"When"mfactors,msuchmasmtimemofmday,mweek,mormmonthmandmsecularmtrendsmovermmonthsm
andmyears
WheelmModelmofmEpidemiologym-
mCORRECTmANSWERmThemwheelmmodelmstressesmthemmultiplicitymofmhostmandmenvironmentalmint
eractionsmhavemdevelopedmandmunderstandingmofmdiseasemhasmprogressed.
Whichmismbettermthemtrianglemormthemwheel?m-
mCORRECTmANSWERmThemWheelmModelmsubscribesmtommultiple-
, causationmdiseasemtheory;mtherefore,mitmismMOREmUSEFULmformanalyzingmcomplexmchronicmconditi
onsmandmidentifyingmfactorsmthatmaremamendablemtomnursingmintervention.
WebmofmCausationmModelm-
mCORRECTmANSWERmInmessence,mthemwebmofmcausationmmodelmismbettermatmshowingmthemrelation
shipsmamongmvariables.
Incidencemratesm-
mCORRECTmANSWERmdescribemthemoccurrencemofmnewmcasesmofmamdiseasemormconditionminmamcom
munity
Prevalencemratem-
mCORRECTmANSWERmismthemnumbermofmallmcasesmofmamspecificmdiseasemormconditionminmampopulati
onmatmamgivenmpointminmtime
MeaningfulmComparisonsm-
mCORRECTmANSWERmThemcommunitymnursemcomparesmdatamwithmratesmfrommothermcities,mcounti
es,mdistricts,mormstates;mfrommthemnation;mandmfrommpreviousmrecords.
*SHOWSmTRENDS*
Riskm-mCORRECTmANSWERmprobabilitymofmanmadversemevent
Riskmfactorm-
mCORRECTmANSWERmanymactionmormconditionmthatmincreasesmthemlikelihoodmofminjury,mdisease,mo
rmothermnegativemoutcome
DescriptivemEpidemiologym-mCORRECTmANSWERm-
mFocusesmonmthemamountmandmdistributionmofmhealthmandmhealthmproblemsmwithinmampopulation