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

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

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2025/2026

Institution NEHA REHS Certification

Course NEHA REHS certification

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The NEHA REHS Exam Questions and Answers 2025 resource provides accurate, exam-style questions with 100% correct verified answers to support certification success. Covering food safety, water and wastewater systems, solid and hazardous waste, vector control, epidemiology, environmental health regulations, emergency preparedness, and public health principles, this study guide strengthens exam readiness and builds confidence for successful performance on the NEHA REHS/RS examination.

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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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Number of pages: 26
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