NSG 3480 Exam 2

NSGp3480pExamp2pWithpCorrectpAnswers




Epidemiologyp-
pthepstudypofpthepdistributionpandpdeterminantspofphealthpandpdiseasepinphumanppopul
ation



ThreepElementspofpthepEpidemiologicalpTrianglep-p-pAgent:pactualpcausepofpdisease

-pHost:pcarrierpofpdisease

-pEnvironment:panypoutsidepfactors



UsepofpEpidemiologypinpDiseasepControlpandpPreventionp-
pPERSON:p"Who"pfactors,psuchpaspdemographicpcharacteristics,phealth,pandpdiseasepstatu
s



PLACE:p"Where"pfactors,psuchpaspgeographicp(data)plocation,pclimatepandpenvironmentalp
conditions,pandppoliticalpandpsocialpenvironment



TIME:p"When"pfactors,psuchpasptimepofpday,pweek,porpmonthpandpsecularptrendspoverp
monthspandpyears



WheelpModelpofpEpidemiologyp-
pThepwheelpmodelpstressespthepmultiplicitypofphostpandpenvironmentalpinteractionsphave
pdevelopedpandpunderstandingpofpdiseasephaspprogressed.

, Whichpispbetterptheptriangleporpthepwheel?p-pThepWheelpModelpsubscribesptopmultiple-
causationpdiseaseptheory;ptherefore,pitpispMOREpUSEFULpforpanalyzingpcomplexpchronicpc
onditionspandpidentifyingpfactorspthatparepamendableptopnursingpintervention.



WebpofpCausationpModelp-
pInpessence,pthepwebpofpcausationpmodelpispbetterpatpshowingptheprelationshipspamong
pvariables.



Incidencepratesp-
pdescribepthepoccurrencepofpnewpcasespofpapdiseaseporpconditionpinpapcommunity



Prevalencepratep-
pispthepnumberpofpallpcasespofpapspecificpdiseaseporpconditionpinpappopulationpatpapgiv
enppointpinptime



MeaningfulpComparisonsp-
pThepcommunitypnursepcomparespdatapwithpratespfrompotherpcities,pcounties,pdistricts,po
rpstates;pfrompthepnation;pandpfromppreviousprecords.



*SHOWSpTRENDS*



Riskp-pprobabilitypofpanpadversepevent



Riskpfactorp-
panypactionporpconditionpthatpincreasesptheplikelihoodpofpinjury,pdisease,porpotherpnegati
vepoutcome



DescriptivepEpidemiologyp-p-
pFocusesponpthepamountpandpdistributionpofphealthpandphealthpproblemspwithinpappopu
lation