CRAT REVIEW EXAM QUESTIONS WITH CORRECT ANSWERS GRADED A+ FOR 2026 ASSURED

CRAT REVIEW EXAM QUESTIONS
WITH CORRECT ANSWERS
GRADED A+ FOR 2026 ASSURED
EXCEL!!
TranstelephonicNMonitoringN-
NNCORRECTNANSWERSTransmittedNoverNphoneNtoNaNLICENSEDNpractitionerNtoNreadN(magneticNtap


e),NPatientsNuseNupNtoN30Ndays



DigitalNMonitoringN-
NNCORRECTNANSWERSTransmittedNoverNaNcomputerNwhereNreportNisNverifiedNbyNaNlicensedNpractit


ioner



TelemedicineNmonitoringNisNusuallyNusedNtoNevaluate_____________N-
NNCORRECTNANSWERSArtificialNPacemakerNFunctioning




AmbulatoryNMonitorN-
NNCORRECTNANSWERSMostNcommonNtypeNisNholterNmonitorN(continuousNorNintermittent-


onlyNrecordsNwhenNpatientNhasNsymptoms.NUsedNforNdysrhythmias,NevaluationNcardicNmeds,NandN
checkingNpacemakers-24-48Nhrs-upNtoN30Ndays



ProcedureNforNapplyingNambulatoryNmonitorN(holter)N-
NNCORRECTNANSWERSEducateNpatient,NequipmentNgatheredNandNprepared,NelectrodesNplacedNon


Nchest,NequipmentNhookedNup




ProcedureNforNremovingN-
NNCORRECTNANSWERSbeforeNremoving,NdiaryNmustNbeNcompleteNbyNpatient,NthenNturnNoffNrecordi


ng,NremoveNelectrodes,NcleanNskin,NreportNresultsN

*processNisNbasedNonNtypeNofNequipmentNuses

, FunctionsNofNcommonNECGNmachineN-
NNCORRECTNANSWERS3NbasicNfunctionsNareNinput,NsignalNprocessing,NoutputNdisplay.NSensorsNinNE


CGNmachineNserveNasNreceivingNdevicesNforNtheNelectricalNactivityNofNtheNheart.N

INPUT-
ElectrodeNplacedNonNpatientsNskinNdirectNimpulsesNtoNECGNinstrument,NprovidingNtheNinput.NSigna
lNprocessingNhappensNinNECGNmachine,NoutputNdisplayNisNtheNresultNofNprocessingNandNisNshownNo
nNscreenN(knownNasNoscilloscope)Nand/orNonNECGNtracings.NElectronicNoutputNisNquicklyNbecoming
NmostNcommonNchoiceNforNECGNtracings.




ECGNmachineNcontrolsN-NNCORRECTNANSWERS#NmostNcommonNareNspeed,Ngain,NartifactNfilter.

alsoNhaveNtheseNcontrols:NLCDNdisplay,NheartNrateNlimits,Nstandardization,NandNleadNsection



SpeedNcontrolN-
NNCORRECTNANSWERSregulatesNhowNfastNorNslowNtheNpaperNorNdataNrunNduringNprocedure.NMOST


NCOMMONLYNUSED:N25Nmm/sec



*increasingNtheNspeedNforNexampleNtoN50mm/secNwillNmakeNwaveNformsNappearNwiderNandNisNuse
fulNifNpatientNheartNrateNisNveryNfast.NifNyouNchangeNtheNspeedNyouNmustNnoteNonNtracingNbyNcirclin
gNtheNsettingNonNtracingNandNnotifyNtheNhealthcareNproviderN

*speedNinNmeasureNonNaNhorizontialNaxis



GainN-
NNCORRECTNANSWERScontrolNonNECGNmachineNthatNincreasesNorNdecreasesNsizeNofNECGNtracing.NN


ormalNsettingNisN10mm/mV.N20mm/VNwillNdoubleNsizeNandN5mm/VNwillNreduceNsizeNbyNhalf

*NNEEDNTONKNOWNmVNisNaNmillivolt-unitNofNmeasurementNtoNindicateNvoltage-
NVoltageNisNmeasuresNonNaNverticalNaxis




ArtifactNFilterN-
NNCORRECTNANSWERSunwantedNmarksNonNECGNtracingNcausedNbyNsomethingNotherNthanNheartNac


tivity

*NormalNsettingsNisNbetweenN40-150Hz,N40NHzNcanNbeNusedNtoNreduceNartifact