NEHA REHS Exam Questions & Answers 2025 | 100% Verified Correct

NEHA REHS Exam Questions With
100% Correct And Verified Answers
2025
HowidoesitheiInstituteiofiMedicinei(IOM)idefinesitheimissioniofipublici
health?i-iCORRECT ANSWERS-
Asi"fulfillingisociety'siinterestiiniassuringiconditionsiiniwhichipeopleic
anibeihealthy".

Whatiareithei10iEssentialiPubliciHealthiServicesi(ES)?i-iCORRECT
ANSWERS-1.iMonitorihealth
2.iDiagnoseiandiinvestigate
3.iInform,ieducate,iandiempower
4.iMobilizeicommunityipartnerships
5.iDevelopipoliciesiandiplans
6.iEnforceilawsiandiregulations
7.iLinkipeopleitoineededipersonalihealthiservices
8.iAssureiaicompetentiworkforce
9.iEvaluate
10.iResearch

Whatiareithreeiforcesithatimayihelpishapeitheifutureiofitheienvironmen
talihealthiprofession?i-iCORRECT ANSWERS-
1.iClimateichangeiandiresultingiecosystemichangesiandinaturalidisast
ers
2.iPopulationigrowthianditheiglobaliriseiinistandardiofilivingiresultingii
nifasterideteriorationiofitheinaturalienvironment
3.iNovelioripharmaceutical-resistantipathogens

WhatidoesiARECistandifor?i-iCORRECT ANSWERS-
anticipation,irecognition,ievaluation,icontrol

Complianceiandienforcementiinterventionistrategiesicanibeidividediint
oiwhatitwoigroups?i-iCORRECT ANSWERS-
1.iThoseidesigneditoiachieveiimmediateion-siteicorrection.i
2.iThoseidesigneditoiachieveilong-termicompliance.

WhatiisiaiStandardiOperatingiProcedurei(SOP)?i-iCORRECT ANSWERS-
Aistandardioperationiprocedurei(SOP)iisiaiwritteniprocessithatiprovide
siconsistentiguidanceitoiemployeesiwithinianiorganizationiasitoihowith


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,eyishouldiproperlyicompleteiaigivenitaskiiniaiuniformimanner.iItiprovid
esidetailedistepsiandidetailsitheitoolsinecessaryitoicompleteitheitask.

WhatiisiMalfeasance?i-iCORRECT ANSWERS-
Theidoingiofianiactithatiisiwrongfuliandithatiisiknownitoibeiwhollyiunau
thorizedibyitheiofficial.

WhatiisiMisfeasance?i-iCORRECT ANSWERS-
Theidoingiofianiauthorizediactiinianiunauthorizedimanner.

WhatiisiNonfeasance?i-iCORRECT ANSWERS-
Theifailureitoiperformianiofficialidutyiwithoutisufficientiexcuse.

Whatiareitheitwoimainitypesiofiepidemiologicalistudiesithaticanibeiuse
diinianiepidemiologicaliinvestigation?i-iCORRECT ANSWERS-
DescriptiveiandiAnalytical.

ActiveiImmunityi-iCORRECT ANSWERS-
Resultsiwheniexposureitoiaidiseaseiorganismitriggersitheiimmuneisyst
emitoiproduceiantibodiesitoithatidisease.iActiveiimmunityicanibeiacqui
redithroughinaturaliimmunityiorivaccine-inducediimmunity

PassiveiImmunityi-iCORRECT ANSWERS-
Wheniaipersoniisigiveniantibodiesitoiaidiseaseiratherithaniproducingith
emithroughihisioriheriowniimmuneisystem.

Agenti(biology/epi)i-iCORRECT ANSWERS-
Aifactori(e.g.,iaimicroorganismiorichemicalisubstance)ioriformiofienerg
yiwhoseipresence,iexcessiveipresence,ioriinitheicaseiofideficiencyidise
ases,irelativeiabsenceiisiessentialiforitheioccurrenceiofiaidiseaseiorioth
eriadverseihealthioutcome.

ModeiofiTransmissioni-iCORRECT ANSWERS-
Theimanneriiniwhichianiagentiisitransmittedifromiitsireservoiritoiaisusc
eptibleihost.

Carrieri-iCORRECT ANSWERS-
Aipersoniorianimalithatiharborsitheiinfectiousiagentiforiaidiseaseiandic
anitransmitiititoiothers,ibutidoesinotidemonstrateisignsiofitheidisease.i
Aicarriericanibeiasymptomatici(neveriindicateisignsiofitheidisease)ioric
anidisplayisignsiofitheidiseaseionlyiduringitheiincubationiperiod,iconva
lescence,ioripostconvalescence.iTheiperiodiofibeingiaicarriericanibeish
orti(aitransienticarrier)iorilongi(aichronicicarrier).



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, Morbidityi-iCORRECT ANSWERS-
(disease)iAnyideparture,isubjectiveioriobjective,ifromiaistateiofiphysio
logicalioripsychologicalihealthiandiwell-being.

Mortalityi-iCORRECT ANSWERS-Death

DemographiciInformationi-iCORRECT ANSWERS-
Personalicharacteristicsiofiaipersoniorigroupi(e.g.,iage,isex,irace/ethni
city,iresidence,iandioccupation)idemographiciinformationiisiusediinide
scriptiveiepidemiologyitoicharacterizeipatientsioripopulations.

Pandemici-iCORRECT ANSWERS-
Aniepidemicioccurringioveriaiwidespreadiareai(multipleicountriesiorico
ntinents)iandiusuallyiaffectingiaisubstantialiproportioniofitheipopulati
on.

Endemici-iCORRECT ANSWERS-
Theiconstantipresenceiofianiagentiorihealthiconditioniwithiniaigivenige
ographiciareaioripopulation;icanialsoireferitoitheiusualiprevalenceiofia
niagentioricondition.

Epidemici-iCORRECT ANSWERS-
Theioccurrenceiofimoreicasesiofidisease,iinjury,ioriotherihealthiconditi
onithaniexpectediiniaigiveniareaioriamongiaispecificigroupiofipersonsid
uringiaiparticulariperiod.iUsually,itheicasesiareipresumeditoihaveiaico
mmonicauseioritoibeirelateditoioneianotheriinisomeiway.

Frequencyi-iCORRECT ANSWERS-
Theiamountiorinumberiofioccurrencesiofianiattributeiorihealthioutcome
iamongiaipopulation.



PortaliofiEntryi-iCORRECT ANSWERS-
Aipathwayiintoitheihostithatigivesianiagentiaccessitoitissueithatiwilliall
owiititoimultiplyioriact.

Prevalencei-iCORRECT ANSWERS-
Theinumberioriproportionioficasesiorieventsioriattributesiamongiaigive
nipopulation.

Hosti-iCORRECT ANSWERS-
Aipersonioriotherilivingiorganismithatiisisusceptibleitoioriharborsianiinf
ectiousiagentiunderinaturaliconditions.




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