Certified EkG technician (CET) practice test 2.0 A Questions and Answers Updated 2026

Certified EkG technician (CET)
practice test 2.0 A Questions and
Answers Updated 2026
whenAshouldAtheAassistantAreduceAtheAspeedAtoA50mm/Asecond?A-
AAnswerAwhenAaApatientAhasAaAfastAheartArate


whenAareA10mm/AsecondAandA5mm/secondAused?A-
AAnswerAforApatientsAthatAhaveAslowAheartArates


DuringAaA5-
leadAEKG,AleadA2AandA3AareAnotAyieldingAaAreading,AwhatAlimbsAshouldAtheAtechnicianAch
eck?A-AAnswerAleftAleg


whatAdescribesAaApulseAoximetryAofA88%A-AAnswerAhypoxemia


aAthinAspikeAbeforeAtheAPAwaveAindicatesAthatAaApacemakerAhasAbeenAimplantedAtoApaceA
what?A-AAnswerAatria


whichAlocationsAisAusedAforAaApatient'sAapicalApulse?A-
AAnswerAbetweenAtheAfifthAandAsixthAribs,AatAtheAleftAmidclavicularAline


ifAhavingAtroubleAvisualizingAtheApatientsAchestAmovement,AwhatAactionsAshouldAtheAtechnici
anAtakeAtoAobtainAanAaccurateArespiratoryArateAforAtheApatient?A-
AAnswerAplaceAaAhandAonAtheAmiddleAofAtheApatientsAbackAtoAcountAtheArespirations


whatAintervalsAshouldAbeAusedAtoAdetermineAtheAregularityAofAventricularAdepolarization?A-
AAnswerAR-RAwaveAinterval


whenAplacingAelectrodesAonAtheApatientsAforAtelemetry,AwhatAlocationsAshouldAanAEKGAtech
nicianAplaceAtheAgroundAelectrode?A-AAnswerAonAtheArightAlowerAleg


whatAfindingsAshouldAindicateAtoAtheAtechnicianAthatAtheApatientAisAexperiencingAanAadvers
eAreaction?A-AAnswerAreportAofAtinglingAsensationsAinAtheAlowerAextremities

, anAEKGAtechnicianAnoticesAanAacceleratedAidioventricularArhythmAonAaAtracing,AwhatAactions
AshouldAtheAtechnicianAtakeAnext?A-AAnswerAcallAforAhelpAandAstayAwithAtheApatient


anAEKGAtechnicianAobservesASTAsegmentAdepressionAandATAwaveAinversionAinAmultipleAlead
sAonAaApatient'sAEKG,AwhatAshouldAtheAtechnicianAsuspect?A-
AAnswerAmyocardialAischemia


anAEKGAtechnicianAisAworkingAwithAaApatientAwhoAhasAaAbelow-the-
kneeAamputationAofAtheAleftAleg,AwhatAlocationAshouldAtheAtechnicianAplaceAtheArightAlegAe
lectrode?A-AAnswerAonAtheAlowerArightAabdomen


anAEKGAtechnicianAisApreparingAtoAperformAaA12-
leadAEKGAforAaApatientAwhoAhasAdextrocardia,AwhatAlocationAshouldAtheAtechnicianAplaceAt
heAelectrodeAforAleadAV1?A-AAnswerAleftAsternalAborder,AfourthAintercostalAspace


whenAevaluatingAaAstandardA12-
leadAEKGAtracing,AwhatAelectricalAactivityAofAtheAseptalAwallAisArecordedAbyAwhatAleads?A-
AAnswerAleadsAV1AandAV2


anAEKGAtechnicianAisAcaringAforAaApatientAwhoAisAexperiencingAheartApalpitations,AwhatAint
erventionsAshouldAtheAtechnicianAexpectAtheAproviderAtoAprescribe?A-
AAnswerAholterAmonitor


whatAisAtheAmostAaccurateAforAanAEKGAtechnicianAtoAsueAwhenAmeasuringAaApatient'sAbody
Atemperature?A-AAnswerAtemporal


anAEKGAtechnicianAisAperformingAaAposteriorA12-
leadAEKGAforApatient,AwhatAleadsAshouldAtheAtechnicianAplaceAalongAtheAparaspinousAborde
r?A-AAnswerAleadAV9


afterAcompletingAaAstandardA12-
leadAEKGAonAaApatient,AwhatAactionAshouldAtheAtechnicianAtakeAnext?A-
AAnswerAcheckAthatAtheAmachineAisAfreeAfromAartifactsAandAthenAdisconnectAtheApatientA
fromAtheAmachine