Exam (elaborations)

(NHA) MEDICAL ASSISTING CERTIFICATION STUDY GUIDE QUESTIONS WITH CORRECT ANSWERS

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(NHA) MEDICAL ASSISTING CERTIFICATION STUDY GUIDE QUESTIONS WITH CORRECT ANSWERS

Institution

MEDICAL ASSISTING CERTIFICATION

Course

MEDICAL ASSISTING CERTIFICATION

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(NHA) MEDICAL ASSISTING
CERTIFICATION STUDY GUIDE
QUESTIONS WITH CORRECT
ANSWERS 2025
CCA-AcorrectAanswersChiefAComplaint

SegmentA-AcorrectAanswersLineAbetweenAtwoAwaveforms

PAWaveA-AcorrectAanswersArterialADepolarization

HowAmanyA1mmAboxesAareAinAaA6AsecondArhythmAstrip?A-
AcorrectAanswers30AoneAmillimeterAboxes

TheASAAnodeArepresentsAwhichAwaveformAonAtheAEKG?A-AcorrectAanswersOnlyAtheAPAwave

WhatAisAtheAreadingAyouAcanAgetAfromAtheARRAinterval?A-AcorrectAanswersVentricularAPulse

WhatAisAtheAprimaryAstageAofAHemolysis?A-
AcorrectAanswersVascularAphaseAandAplateletAphaseAtogether

WhatAisAElectrophoresis?A-
AcorrectAanswersAnalyzationAofAtheAchemicalAcomponentsAofAblood,Ae.g.Ahemoglobin,Aserum,A

urine,AcerebrospinalAfluidAbasedAonAelectricalAcharge.

PositiveAtestingAforAoccultAbloodAinAaAstoolAsampleAturnsAwhichAcolor?A-
AcorrectAanswersTurnsAblueAonAaApositiveAtestAforAoccultAbloodAinAfeces

TheAstagesAofAHemostasisA-
AcorrectAanswers1.AVascular,A2.APlateletAPhase,A3.ACoagulationAPhase,A

4.AFibronolysis

BloodAvesselsA-
AcorrectAanswersAorta,AArteries,AArterioles,ACapillaries,AVenues,AVeins,ASuperiorAandAInferiorA

VenaACavae

OuterAconnectiveAtissueAlayerAofAaAbloodAvesselA-AcorrectAanswersTunicaAAdventitia

InnerAendothelialAtissueAofAaAbloodAvesselA-AcorrectAanswersTunicaAIntima

TheAinnerAsmoothAlayerAofAaAbloodAvesselA-AcorrectAanswersTunicaAtunicaAmedia

TheAstandardsAofArightAandAwrongAinAaAmedicalAsettingA-AcorrectAanswersCodeAofAEthics

WhatAdoAyouAfindAinAcapillaries?A-
AcorrectAanswersAAmixtureAofAvenousAandAarterialAbloodAisAfound

,TheAaverageAadultAhasAhowAmanyAlitersAofAblood?A-AcorrectAanswers5-6ALiters

WhatAisAtheApercentageAofAwaterAinAtheAblood?A-AcorrectAanswers92%

PercentageAofAplasmaAinAtheAblood?A-AcorrectAanswers55%

PercentageAofAformedAelementsAinAtheAblood?A-AcorrectAanswers45%

99%AofAformedAelementsAinAtheAbloodA-AcorrectAanswersRBC,sAorAErythrocytes

WhereAdoAyouAfindAhemoglobin?A-AcorrectAanswersRBC,s

WhereAdoAallAbloodAcellsAoriginate?A-AcorrectAanswersBoneAmarrow

HowAmanyARBC,sAperAmicroliterAofAbloodA-AcorrectAanswers4.2-6.2Amillion

WhatAisAtheAsecondAmostAnumerousAWBCA-AcorrectAanswersLymphocyteAwithA20-40%

TheirAnumbersAincreaseAinAintracellularAinfectionsAandATBA-AcorrectAanswersMonocytes

TheirAnumbersAincreaseAinAbacterialAinfectionsAandAareAoftenAfirstAonAtheAsceneA-
AcorrectAanswersNeutrophils

TheseAWBC,sAplayAanAimportantAroleAinAviralAinfectionAasAwellAasAinAimmunityA-
AcorrectAanswersLymphocytes

NumberAofAleukocytesAforAaverageAadultAperAmicroliterA-AcorrectAanswers5000-10000

LeukopeniaA-AcorrectAanswersDecreaseAinAWBC,sAseenAwithAviralAinfectionAandAleukemia

ComprisesA3-8%AofAWBCAorAleukocytesA-AcorrectAanswersMonocytes

LargestAinAsizeAofAtheAleukocytesA-AcorrectAanswersMonocytes

CarriesAhistamineA-AcorrectAanswersBasophil

InjuryAtoAaAbloodAvesselAthatAcausesAitAtoAconstrict,AslowingAtheAclodAofAblood.A-
AcorrectAanswersVascularAphaseAofAHemostasis

PreferredAsiteAforAaAvenipunctureA-AcorrectAanswersAntecubitalAFossa

TestAusedAtoAevaluateAtheAintrinsicApathwayAandAmonitorAheparinAtherapyA-
AcorrectAanswersAPTTAalsoAknowAasAPTT

TestAusedAtoAevaluateAtheAextrinsicApathwayAandAalsoAusedAtoAmonitorAwarfarinAtherapyA-
AcorrectAanswersPT

FibrinolysisA-AcorrectAanswersBreakdownAandAremovalAofAaAclot

ConvertsAtheAtemporaryAplateletAplugAinAaAstableAfibrinAclotA-
AcorrectAanswersCoagulation APhase

, 2ndAchoiceAveinAforAvenipunctureAandAmostAoftenAtheAonlyAoneApalatableAinAanAobeseAPt.A-
AcorrectAanswersCephalicAvein

AntisepticsAusedAinAPhlebotomyA-
AcorrectAanswers70%AisopropylAalcoholApadsAmostAcommon,AprovoloneA-

AiodineAforABC,sAandAChlorhexidineAgluconateAforApatientsAthatAareAallergicAtoABetadine/AIodin

e

LengthAofAneedleAcommonlyAusedAinAvenipunctureA-AcorrectAanswers1AinchA(upAtoA1.5")

AverageAgaugeAofAneedleAusedAforAdrawingAbloodA-AcorrectAanswers21-22

GaugeAofAneedleAthatAcanAcauseAhemolysisA-AcorrectAanswerssmallerAthanA23Agauge

3AskillsAofAtheAphlebotomistA-AcorrectAanswersSocial,Aclerical,Atechnical

AnalyticalAerrorsAduringAcollectionAofAbloodA-
AcorrectAanswersExtendedAtourniquetAtime,Ahemolysis,AwrongAorderAofAdraw,AfailureAtoAinvertA

tubes,AfaultyAtechniqueAunderAfillingAtubes

AnalyticalAerrorsAbeforeAcollectionAofAbloodA-
AcorrectAanswersPatientAmisidentification,AimproperAtime,AwrongAtubes,AnotAfasting,AexerciseA

(CortisolAlevels),APt.APosture,APoorAcoordinationAwithAotherAtreatments,AimproperAsiteAprep,A
medicationAinterference

AnalyticalAerrorsAAfterAcollectionAofAbloodA-
AcorrectAanswersFailureAtoAseparateAserumAfromAcellA(Glycolisis),AimproperAuseAofAserumAsepa

ratorA(NotAinvertingAtubesAorAnotAspinningAtubes),AdelaysAinAprocessing,AexposureAtoAlight,Aimp
roperAstorageAconditions,AdimmingAclots

FistulaA-
AcorrectAanswersPermanentAsurgicalAconnectionAbetweenAanAarteryAandAaAvein,AneverAusedAfo

rAvenipuncture

EdimaA-AcorrectAanswersAccumulationAofAfluidAinAtissue

ThrombophlebitisA-AcorrectAanswersInflammationAofAaAbloodAclotAformation

ExplanationAofAHemoconcentrationA-
AcorrectAanswersTheAincreaseAinAproportionAofAformedAelementsAtoAplasmaAcausedAbyAleaving

AonAtheAtourniquetAforAmoreAthanAtwoAminutes

ConsequenceAofAinsufficientApressureAappliedAafterAwithdrawalAofAaAneedleA-
AcorrectAanswersThrombus

AdditivesAinAaAgreenAtopAtubeA-AcorrectAanswersHeparin,Asodium,Alithium,Aammonium

WhyAisAtheAgreenAtopAtubeAneverAusedAforAhematology?A-
AcorrectAanswersGreenAtopsAadditiveAheparinAinterferesAwithAtheAWright'sAstainedAbloodAtest

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Number of pages: 17
Written in: 2025/2026
Type: Exam (elaborations)
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(NHA) MEDICAL ASSISTING CERTIFICATION STUDY GUIDE QUESTIONS WITH CORRECT ANSWERS

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