IBHREgExamgQuestions
Studygonlinegatghttps://quizlet.com/_f88rbp
1. Agfunctiongofgpacemakergcircuitrygthatgallowsgthegpa B.gChargegDump
cemakergoutputgpulsegtogbegdissipatedgquicklygmaxi
mizinggbothgthegoutputgandgsensinggcapabilities.
a) circuitgresistors
b) chargegdump
c) pulsegneutralizer
d) currentgconsumption
2. AVgsequentiallygpacedgpatientsgwithgfrequentgven- A.gShortgBlankingg
gtriculargectopygshouldghavegthegfollowinggpacemake Period
rgparametersgprogrammedgtogdecreasegthegchancego
fgcompetition:
a) shortgblankinggperiod
b) slowergbasegrate
c) increasedgventriculargrefractorygperiod
d) nonegofgthegabove
3. Lowgthresholdgelectrodegmaterialsgincludegeachgofgthe B.gElgiloy
gfollowinggEXCEPT:
a) iridiumgoxide
b) elgiloy
c) platinizedgplatinum
d) titaniumgnitride
4. Thegstrengthgdurationgcurvegresultinggingagparabolic B.gIgxgVgxgt
gshapegisgdescribedgbygwhichgofgthegfollowinggformu
-glas?
a) Igxgt
b) IgxgVgxgt
c) IgxgR
d) allgofgthegabove
5. Thegventriculoatrialgconductiongtimegofgagpacemaker D.gNonegofgtheg
gpatientgwithgagtypicalgendless-loop- above
tachycardiagmaygbegcalculatedgbygwhichgequation?
1g/g124
, IBHREgExamgQuestions
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a) (uppergrateglimitginterval)g-g(gAVgdelayg+gPVARP)
b) (uppergrateglimitginterval)g-g(gAVgdelayg+gPVARPg+
Wenckebachginterval
c) (lowergrateglimitginterval)g-g(guppergrateglimitginterval)
d) nonegofgthegabove
6. Whichgofgthegfollowinggprogrammingsgwouldgnotgpre- B.g"SafetygPacing"
gventgcrosstalk?
a) agprolongedgblankinggperiod
b) "safetygpacing"
c) lowgatrialgoutput
d) lessgsensitivegventriculargsensitivity
7. ThegmostgcommonlygusedgbatterygchemistrygingICDs C.gLithiumgSilvergVa
gis: adiumgOxide
a) lithiumgthionylgchloride
b) lithiumgmanganesegdioxide
c) lithiumgsilvergvanadiumgoxide
d) lithiumgmanganesegdioxide
8. Thegpurposegofgagcapacitorgingangelectricalgcircuitgis B.gStoregElectricalg
gto: Charge
a) convertgACgtogDCgcurrent
b) storegelectricalgcharge
c) rapidlygswitchgbatterygvoltagegongorgoff
d) limitgcurrentgflowgtogagsinglegdirection
9. AgprogramminggmodegthatgwouldgNOTgbegutilizedgtog C.gVDD
managegintermittentgatrialgfibrillationgingagpatientgwith
gagDDDgpacemakergis:.
a) DDI
b) DVI
c) VDD
d) VVI
2g/g124
, IBHREgExamgQuestions
Studygonlinegatghttps://quizlet.com/_f88rbp
10. Variationsgingstimulusgmorphologygongthegsurface D.gAllgofgthegabove
gECGgofganganaloggrecordergmaygbegcausedgby:
a) agdislodgedgelectrode
b) angelectricalgshort
c) changesgingpatientgposition
d) allgofgthegabove
11. AllgofgthegfollowingghavegbeengusedgasgERIgmagnet C.gGradualgIn-
gresponsesgexcept: gcreasegIngRat
e
a) abruptgincreasegingrate
b) abruptgdecreasegingrate
c) gradualgincreasegingrate
d) gradualgdecreasegingrate
12. Whichgofgthegfollowingghasgnotgbeengusedgasgangindi-
gcatorgofgbatterygdepletion? C.gProgrammedg
AmplitudegRever-
a) pulsegwidthgstretching gsion
b) modegchange
c) programmedgamplitudegreversion
d) telemeteredgbatterygimpedance
13. Thegelectricalgcircuitgthatgconvertsgagsignalgwithgboth
gpositivegandgnegativegcomponentsgintogagsignalgwit B.gRectifier
hgonlygonegcomponent?
a) resistor
b) rectifier
c) diode
d) capacitor
14. Whichgofgthegfollowinggwouldgaccountgforgthegmost
gcommongcausegofginappropriategmodegswitching? D.gAtrialgLeadgSe
nsinggVentricu-
a) ventriculargleadgsensinggatrialgsignals glargSignals
b) leadginsulationgbreak
c) oversensinggEMI
d) atrialgleadgsensinggventriculargsignals
3g/g124
, IBHREgExamgQuestions
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15. Agpatient'sgstimulationgthresholdgwasg1.0gVoltg&g0.4g
msecgpulsegduration.gThegpacemakergisgprogrammed a) largegimp
gtog2.0gVoltg&g0.8gmsecgduration.gLeadgimpedancegmea dancegva
- es
gsuresg1000gOhms.gThegoutputgenergygforgthisgpatient
gwouldgbe:
a) 2Xgthreshold
b) 4Xgthreshold
c) 6Xgthreshold
d) 8Xgthreshold
16. Factorsgwhichgmightgincreasegthegtimeguntilgactivation
gofgthegEBUg(emergencygback-
up)gorgstatgsetgandgwhichgwouldgbegavoidedgwhengutili
zinggtemporarygprogram-gmingginclude:
a) breakinggofgthegtelemetryglink
b) reinitializationgofgthegEBUgorgstatgset
c) havinggtoglocategthegEBUgactuationgmechanism
d) allgofgthegabove
17. Pacinggthresholdsgaregnotginfluencedgby:
a) electrodegmaterial
b) electrodegsurfacegarea
c) insulationgmaterial
d) maturationgprocess
18. Agleadgfracturegmaygresultgin:
a) decreasedgbatteryglongevity
b) decreasedgconductorgimpedancegvalues
c) decreasedgelectrodegimpedancegvalues
d) decreasedgcurrentgdrain
19. Leadginsulationgfailuregcharacteristicsgcommonlygin-
gclude:
4g/g124
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1. Agfunctiongofgpacemakergcircuitrygthatgallowsgthegpa B.gChargegDump
cemakergoutputgpulsegtogbegdissipatedgquicklygmaxi
mizinggbothgthegoutputgandgsensinggcapabilities.
a) circuitgresistors
b) chargegdump
c) pulsegneutralizer
d) currentgconsumption
2. AVgsequentiallygpacedgpatientsgwithgfrequentgven- A.gShortgBlankingg
gtriculargectopygshouldghavegthegfollowinggpacemake Period
rgparametersgprogrammedgtogdecreasegthegchancego
fgcompetition:
a) shortgblankinggperiod
b) slowergbasegrate
c) increasedgventriculargrefractorygperiod
d) nonegofgthegabove
3. Lowgthresholdgelectrodegmaterialsgincludegeachgofgthe B.gElgiloy
gfollowinggEXCEPT:
a) iridiumgoxide
b) elgiloy
c) platinizedgplatinum
d) titaniumgnitride
4. Thegstrengthgdurationgcurvegresultinggingagparabolic B.gIgxgVgxgt
gshapegisgdescribedgbygwhichgofgthegfollowinggformu
-glas?
a) Igxgt
b) IgxgVgxgt
c) IgxgR
d) allgofgthegabove
5. Thegventriculoatrialgconductiongtimegofgagpacemaker D.gNonegofgtheg
gpatientgwithgagtypicalgendless-loop- above
tachycardiagmaygbegcalculatedgbygwhichgequation?
1g/g124
, IBHREgExamgQuestions
Studygonlinegatghttps://quizlet.com/_f88rbp
a) (uppergrateglimitginterval)g-g(gAVgdelayg+gPVARP)
b) (uppergrateglimitginterval)g-g(gAVgdelayg+gPVARPg+
Wenckebachginterval
c) (lowergrateglimitginterval)g-g(guppergrateglimitginterval)
d) nonegofgthegabove
6. Whichgofgthegfollowinggprogrammingsgwouldgnotgpre- B.g"SafetygPacing"
gventgcrosstalk?
a) agprolongedgblankinggperiod
b) "safetygpacing"
c) lowgatrialgoutput
d) lessgsensitivegventriculargsensitivity
7. ThegmostgcommonlygusedgbatterygchemistrygingICDs C.gLithiumgSilvergVa
gis: adiumgOxide
a) lithiumgthionylgchloride
b) lithiumgmanganesegdioxide
c) lithiumgsilvergvanadiumgoxide
d) lithiumgmanganesegdioxide
8. Thegpurposegofgagcapacitorgingangelectricalgcircuitgis B.gStoregElectricalg
gto: Charge
a) convertgACgtogDCgcurrent
b) storegelectricalgcharge
c) rapidlygswitchgbatterygvoltagegongorgoff
d) limitgcurrentgflowgtogagsinglegdirection
9. AgprogramminggmodegthatgwouldgNOTgbegutilizedgtog C.gVDD
managegintermittentgatrialgfibrillationgingagpatientgwith
gagDDDgpacemakergis:.
a) DDI
b) DVI
c) VDD
d) VVI
2g/g124
, IBHREgExamgQuestions
Studygonlinegatghttps://quizlet.com/_f88rbp
10. Variationsgingstimulusgmorphologygongthegsurface D.gAllgofgthegabove
gECGgofganganaloggrecordergmaygbegcausedgby:
a) agdislodgedgelectrode
b) angelectricalgshort
c) changesgingpatientgposition
d) allgofgthegabove
11. AllgofgthegfollowingghavegbeengusedgasgERIgmagnet C.gGradualgIn-
gresponsesgexcept: gcreasegIngRat
e
a) abruptgincreasegingrate
b) abruptgdecreasegingrate
c) gradualgincreasegingrate
d) gradualgdecreasegingrate
12. Whichgofgthegfollowingghasgnotgbeengusedgasgangindi-
gcatorgofgbatterygdepletion? C.gProgrammedg
AmplitudegRever-
a) pulsegwidthgstretching gsion
b) modegchange
c) programmedgamplitudegreversion
d) telemeteredgbatterygimpedance
13. Thegelectricalgcircuitgthatgconvertsgagsignalgwithgboth
gpositivegandgnegativegcomponentsgintogagsignalgwit B.gRectifier
hgonlygonegcomponent?
a) resistor
b) rectifier
c) diode
d) capacitor
14. Whichgofgthegfollowinggwouldgaccountgforgthegmost
gcommongcausegofginappropriategmodegswitching? D.gAtrialgLeadgSe
nsinggVentricu-
a) ventriculargleadgsensinggatrialgsignals glargSignals
b) leadginsulationgbreak
c) oversensinggEMI
d) atrialgleadgsensinggventriculargsignals
3g/g124
, IBHREgExamgQuestions
Studygonlinegatghttps://quizlet.com/_f88rbp
15. Agpatient'sgstimulationgthresholdgwasg1.0gVoltg&g0.4g
msecgpulsegduration.gThegpacemakergisgprogrammed a) largegimp
gtog2.0gVoltg&g0.8gmsecgduration.gLeadgimpedancegmea dancegva
- es
gsuresg1000gOhms.gThegoutputgenergygforgthisgpatient
gwouldgbe:
a) 2Xgthreshold
b) 4Xgthreshold
c) 6Xgthreshold
d) 8Xgthreshold
16. Factorsgwhichgmightgincreasegthegtimeguntilgactivation
gofgthegEBUg(emergencygback-
up)gorgstatgsetgandgwhichgwouldgbegavoidedgwhengutili
zinggtemporarygprogram-gmingginclude:
a) breakinggofgthegtelemetryglink
b) reinitializationgofgthegEBUgorgstatgset
c) havinggtoglocategthegEBUgactuationgmechanism
d) allgofgthegabove
17. Pacinggthresholdsgaregnotginfluencedgby:
a) electrodegmaterial
b) electrodegsurfacegarea
c) insulationgmaterial
d) maturationgprocess
18. Agleadgfracturegmaygresultgin:
a) decreasedgbatteryglongevity
b) decreasedgconductorgimpedancegvalues
c) decreasedgelectrodegimpedancegvalues
d) decreasedgcurrentgdrain
19. Leadginsulationgfailuregcharacteristicsgcommonlygin-
gclude:
4g/g124
