CST Practice Test #3 (1-175) Questions and Answers Updated 2026

CST Practice Test #3 (1-175)
Questions and Answers Updated
2026
TheAstructureAthatAliesAalongAtheAposteriorAborderAofAtheAtestisAisAthe:
A.Aprostate
B.Aepididymis
C.AtunicaAvaginalis
D.AejaculatoryAductA-AAnswerAB.ATheAepididmisAisAaAcomma-
shapedAorganAthatAliesAalongAtheAposteriorAborderAofAtheAtestis.


TheAvalveAbetweenAtheAleftAatriumAandAleftAventricleAisAthe:
A.Abicuspid
B.Atricuspid
C.AaorticAsemilunar
D.ApulmonaryAsemilunarA-
AAnswerAA.ATheAvalveAbetweenAtheAleftAatriumAandAleftAventricleAisAreferredAtoAasAeitherAt
heAmitralAorAbicuspidAvalve.


WhatAisAtheAmostAabundantAionAinAtheAbody?
A.Acalcium
B.Asodium
C.Apotassium
D.AmagnesiumA-AAnswerAA.ACalciumAisAtheAmostAabundantAionAinAtheAbody.


WhichAofAtheAfollwoingAisAaAmethodAofAbacterialAsurvivalAwhenAenviromentalAconditionsAareA
notAconduciveAtoAgrowthAandAviability?
A.Aconjugation
B.Atransduction
C.AsporeAformation
D.AgeneticAmutationA-
AAnswerAC.ASporeAformationAhappensAwhenAenviromentalAconditionsAareAnotAconduciveAtoAg
rowthAandAviability.

,WhatAorganAdetectsAchangesAinAtheAlevelAofAinsulinAandAreleasesAchemicalsAtoAregulateAtheA
levelAofAbloodAglucose?
A.Aliver
B.Astomach
C.Apancreas
D.AgallbladderA-
AAnswerAC.ATheApancreasAregulatesAtheAconcentrationAofAsugarAglucoseAlevelsAinAtheAcircula
toryAsystem.AWhenAtheAconcentrationAofAbloodAglucoseAincreases,AtheApancreasAsensesAtheAch
angeAandAreleasesAinsulin,AcausingAtheAglucoseAtoAmoveAfromAtheAbloodAandAbeAstoredAinAt
heAliverAandAmuscles.AWhenAtheAbloodAlevelAofAglucoseAisAtooAlow,AtheApancreasAreleasesAgl
ucagonAthatAcausesAstoredAglucoseAtoAbeAreleasedAintoAtheAcirculatoryAsystem.


WhatAdoesAtheAtermAstrike-throughAmean?
A.AruptureAofAheatAsealAduringAsterilization
B.AfailureAofAbiologicalAindicatorAduringAsterilization
C.AperforationAofAsharpAobjectAthroughAsterileAwrapper
D.AsoakingAofAmoistureAformAunsterileAtoAsterileAlayersA-
AAnswerAD.AWhenAmoistureAsoaksAthroughAaAdrape,AgownAorApackage,A"strike-
through"AoccursAandAtheAitemAisAcontaminated.


WhichAofAtheAfollowingAmonitoringAdevicesAwouldAbeAusedAwithinAaAvessel?
A.AECGAlead
B.AswanAganz
C.ApulseAoximeter
D.AsphygmomanometerA-
AAnswerAB.AAAswanAganzAmonitoringAdeviceAisAinsertedAwithinAaAbranchAofAtheApulmonary
AarteryAtoAmeasureAtheAcentralAvenousApressure,ApulmonaryAarteryApressure,ApulmonaryAcapi
llaryAwedgeApressureAandAcardiacAoutput.


WhenAaddingA30AmLAofAinjectableAsalineAtoA30AmLAofA0.5%AMarcaine,AwhatAstrengthAdoesA
theAdrugAbecome?
A.A0.25%
B.A0.5%
C.A0.75%
D.A1.0%A-AAnswerAA.A30(mL)AxA.5(%)A=A60(mL)AxAX(%)
60mLA/A30mLA=A.5%A/AX

,30AxA.5A=A60AxAX
15A=A60X
15A/A60A=A60XA/A60
XA=A0.25


WhatAactionAshouldAbeAtakenAifAtheApatientAhasAwithdrawnAtheAsurgicalAinformedAconsentApr
iorAtoAsurgery?
A.AtransportApatientAtoAOR;AinformAsurgeon
B.AdoAnotAtransportApatient;AinformAsurgeon
C.AdoAnotAtransportApatient;AinformAanesthesiaAprovider
D.AtransportApatientAtoAOR;AinformAORAsupervisorA-
AAnswerAB.AIfAaApatientAhasAwithdrawnAtheAsurgicalAinformedAconsentApriorAtoAsurgery,Ath
enAdoAnotAtransportApatientAadAinformAtheAsurgeon.


ConfiningAandAcontainingAinstrumentsAwithAbioburdenApreventsAwhichAofAtheAfollowing?
A.AfomiteAformation
B.ApersonnelAinjury
C.AinstrumentAloss
D.Across-contaminationA-AAnswerAD.ACross-
contaminationAisAtheAcontaminationAofAanAindividualAorAobjectAuponAcontactAwithAaAcontamin
atedAitem.


TheAunsterileAsizeAofAtheAperimeterAofAaAsterileAwrapAis:
A.A1/2Ainch
B.A1Ainch
C.A2Ainches
D.A3AinchesA-AAnswerAB.ATheAinsideAofAwrappersAisAconsideredAsterileAexceptAforAtheAone-
inchAborderA/AperimeterAaroundAtheAoutsideAedgeAofAtheAwrapper.


AAsubstanceAthatAinhabitsAtheAgrowthAandAreproductionAofAmicrobesAonAlivingAtissueAisAa/an
:
A.Aantiseptic
B.Adisinfectant
C.Asterilant

, D.AsporicidalA-
AAnswerAA.AAntisepticAagentsAareAusedAtoAperformAtheApatientAskinAprep,AasAwellAasAused
AbyAsurgicalAteamAmembersAtoAperformAtheAsurgicalAscrub;AtheAagentsAareAusedAtoA"surgical
lyAclean"AtheAskin.


WhatAactionAshouldAbeAtakenAbyAtheAtransporterAifAaAdiscrepancyAoccursAinAtheAidentification
AofAaApatientAinAtheAnursingAunit?

A.AtryAtoAlocateAfamilyAmembersAtoAverifyApatientAidentity
B.AtransportAtoAORAandAinformAsurgeonAofAdiscrepancy
C.AinformAunitAclerkAofAdiscrepancyAandAreturnAtoAOR
D.AdoAnotAtransport,AinformAunitAsupervisorAandAORApersonnelA-
AAnswerAD.ADoAnotAtransport,AinformAunitAsupervisor,AandAORApersonnelAifAthereAisAaAdisc
repancyAinAtheAidentificationAofAaApatientAonAtheAnursingAunit.


AApatientAmayAbeAaskedAtoAshowerAatAhomeAwithAanAantimicrobialAsoapAbeforeAcomingAtoAt
heAhospitalAforAsurgeryAto:
A.AachieveAaAcumulativeAantimicrobialAeffect
B.AdetermineAifAtheApatientAisAallergicAtoAtheAsoap
C.AreduceAtheAamountAofAtimeAforAtheApre-opAprep
D.AleaveAaAvisibleAfilmAsoAtheAprepAbordersAwillAshowA-
AAnswerAA.AStudiesAhaveAshownApatientsAthatAwereAaskedAtoAshowerAwithAantimicrobialAso
apAatAhomeApriorAtoAhavingAsurgeryAdemonstrateAaAdecreaseAinAtheAmicrobialAcountAonAthe
Askin.


WhatAareAtheAsequentialAstepsAperformedApriorAtoAentranceAintoAtheAsterileAfield?
A.Agown,Aglove,Ascrub
B.Aglove,Ascrub,Agown
C.Ascrub,Aglove,Agown
D.Ascrub,Agown,AgloveA-
AAnswerAD.ABeforeAdonningAtheAsterileAgownAandAgloves,AtheAsterileAmembersAofAtheAORAt
eamAmustAperformAtheAsurgicalAscrubAwithAaAchemicalAantiseptic.


WhichAareaAisApreppedAlastAwhenApreformingAtheAskinAprepAforAaABartholin'sAcystectomy?
A.Aanus
B.AmonsApubis
C.Avagina