Cardiac Care: Exam
Questions and Answers
Updated 2026 A+
TheBnurseBshowsBtheBstudentBaBpatient'sBnormalBsinusBrhythmBonBtheBcardiacBmonit
or.BTheBnurseBasksBtheBstudentBwhichBwaveformBrepresentsBventricularBdepolarization
.BWhatBisBtheBcorrectBresponse?
"TheBUBwave."
"TheBPBwave."
"TheBQRSBcomplex."
"TheBTBwave."B-BAnswerB"TheBQRSBcomplex."
TheBPBwaveBrepresentsBdepolarizationBofBtheBatria.BTheBQRSBcomplexBindicatesBdepol
arizationBofBtheBventricles.BTheBTBwaveBrepresentsBrepolarizationBofBtheBventricles.BT
heBUBwave,BifBpresent,BmayBrepresentBrepolarizationBofBtheBPurkinjeBfiber,BorBitBmay
BbeBassociatedBwithBhypokalemia.
ABpatientBwithBchestBpainBarrivesBinBtheBemergencyBdepartment.BTheBstaffBhurriesBt
oBperformBaB12-
leadBelectrocardiogramB(ECG).BTheBpatientBappearsBanxiousBandBasks,B"WhyBareBallBo
fBtheseBwiresBbeingBhookedBupBtoBme?"BWhichBofBtheBfollowingBwouldBbeBtheBbest
BresponseBbyBtheBnurse?
"TheBelectrocardiogramBwiresBwillBmonitorByourBvitalBsignsBsoBweBcanBseeBifBthereBa
reBanyBchangesBthatBrequireBintervention."
"ThisBisBanBelectrocardiogramBwhichBwillBprovideBinformationBaboutByourBheartBandB
helpBusBtoBdevelopBtheBbestBplanBofBcareBforByou."
"WeBwillBbeBperformingBseveralBtestsBtoBseeBwhichBmedicationsBareBbestBforByou."
, "WeBareBimplementingBthisBtestBtoBtakeBtheBveryBbestBcareBofByou.BYouBshouldn'tBw
orry."B-
BAnswerB"ThisBisBanBelectrocardiogramBwhichBwillBprovideBinformationBaboutByourBh
eartBandBhelpBusBtoBdevelopBtheBbestBplanBofBcareBforByou."
TheBbestBresponseBprovidesBaccurateBinformationBthatBaddressesBtheBpatient'sBquesti
on.BTellingBtheBpatientBnotBtoBworryBisBnontherapeutic.BTellingBtheBpatientBthereBwill
BbeBseveralBtestsBmayBincreaseBtheBpatient'sBanxietyBandBdoesBnotBAnswerBtheBpati
ent'sBquestion.BTheBECGBwillBprovideBonlyBtheBheartBrate,BnotBallBvitalBsigns;BtheBpu
rposeBisBnotBforBmonitoringBvitalBsigns,BbutBtheBelectricalBconductionBofBtheBheart.
TheBECGBmachineBisBreadingB"ERROR—
CheckBleadBplacement."BWhichBofBtheBfollowingBrequiresBcorrection?
V2BatBfifthBintercostalBspaceBmidclavicularBline.
V5BatBleftBanteriorBaxillaryBlineBatBlevelBofBV4Bhorizontally.
V6BatBleftBmidaxillaryBlineBatBlevelBofBV4Bhorizontally.
V1BatBfourthBintercostalBspaceBatBrightBsternalBangle.B-
BAnswerBV2BatBfifthBintercostalBspaceBmidclavicularBline.
V4,BnotBV2,BisBlocatedBatBtheBfifthBintercostalBspaceBatBmidclavicularBline.BCorrectBle
adBplacementBonBtheBchestBforBaB12BleadBelectrocardiogramBisBV1,BfourthBintercostal
BspaceBatBrightBsternalBangle;BV2,BfourthBintercostalBspaceBatBleftBsternalBborder;BV3,
BmidwayBbetweenBV2BandBV4;BV4,BFifthBintercostalBspaceBatBmidclavicularBline;BV5,Bl
eftBanteriorBaxillaryBlineBatBlevelBofBV4Bhorizontally;BV6,BleftBmidaxillaryBlineBatBlevel
BofBV4Bhorizontally.
TheBnurseBisBapplyingBcontinuousBelectronicBmonitoringBusingBaBfive-
leadBsystem.BWhichBofBtheBfollowingBdescribesBcorrectBleadBplacement?
WhiteBonBrightBarm,BbrownBonBleftBarm,BgreenBonBleftBleg,BredBonBrightBleg,BblackB
onBchestBatBVBleadBlocation.
Questions and Answers
Updated 2026 A+
TheBnurseBshowsBtheBstudentBaBpatient'sBnormalBsinusBrhythmBonBtheBcardiacBmonit
or.BTheBnurseBasksBtheBstudentBwhichBwaveformBrepresentsBventricularBdepolarization
.BWhatBisBtheBcorrectBresponse?
"TheBUBwave."
"TheBPBwave."
"TheBQRSBcomplex."
"TheBTBwave."B-BAnswerB"TheBQRSBcomplex."
TheBPBwaveBrepresentsBdepolarizationBofBtheBatria.BTheBQRSBcomplexBindicatesBdepol
arizationBofBtheBventricles.BTheBTBwaveBrepresentsBrepolarizationBofBtheBventricles.BT
heBUBwave,BifBpresent,BmayBrepresentBrepolarizationBofBtheBPurkinjeBfiber,BorBitBmay
BbeBassociatedBwithBhypokalemia.
ABpatientBwithBchestBpainBarrivesBinBtheBemergencyBdepartment.BTheBstaffBhurriesBt
oBperformBaB12-
leadBelectrocardiogramB(ECG).BTheBpatientBappearsBanxiousBandBasks,B"WhyBareBallBo
fBtheseBwiresBbeingBhookedBupBtoBme?"BWhichBofBtheBfollowingBwouldBbeBtheBbest
BresponseBbyBtheBnurse?
"TheBelectrocardiogramBwiresBwillBmonitorByourBvitalBsignsBsoBweBcanBseeBifBthereBa
reBanyBchangesBthatBrequireBintervention."
"ThisBisBanBelectrocardiogramBwhichBwillBprovideBinformationBaboutByourBheartBandB
helpBusBtoBdevelopBtheBbestBplanBofBcareBforByou."
"WeBwillBbeBperformingBseveralBtestsBtoBseeBwhichBmedicationsBareBbestBforByou."
, "WeBareBimplementingBthisBtestBtoBtakeBtheBveryBbestBcareBofByou.BYouBshouldn'tBw
orry."B-
BAnswerB"ThisBisBanBelectrocardiogramBwhichBwillBprovideBinformationBaboutByourBh
eartBandBhelpBusBtoBdevelopBtheBbestBplanBofBcareBforByou."
TheBbestBresponseBprovidesBaccurateBinformationBthatBaddressesBtheBpatient'sBquesti
on.BTellingBtheBpatientBnotBtoBworryBisBnontherapeutic.BTellingBtheBpatientBthereBwill
BbeBseveralBtestsBmayBincreaseBtheBpatient'sBanxietyBandBdoesBnotBAnswerBtheBpati
ent'sBquestion.BTheBECGBwillBprovideBonlyBtheBheartBrate,BnotBallBvitalBsigns;BtheBpu
rposeBisBnotBforBmonitoringBvitalBsigns,BbutBtheBelectricalBconductionBofBtheBheart.
TheBECGBmachineBisBreadingB"ERROR—
CheckBleadBplacement."BWhichBofBtheBfollowingBrequiresBcorrection?
V2BatBfifthBintercostalBspaceBmidclavicularBline.
V5BatBleftBanteriorBaxillaryBlineBatBlevelBofBV4Bhorizontally.
V6BatBleftBmidaxillaryBlineBatBlevelBofBV4Bhorizontally.
V1BatBfourthBintercostalBspaceBatBrightBsternalBangle.B-
BAnswerBV2BatBfifthBintercostalBspaceBmidclavicularBline.
V4,BnotBV2,BisBlocatedBatBtheBfifthBintercostalBspaceBatBmidclavicularBline.BCorrectBle
adBplacementBonBtheBchestBforBaB12BleadBelectrocardiogramBisBV1,BfourthBintercostal
BspaceBatBrightBsternalBangle;BV2,BfourthBintercostalBspaceBatBleftBsternalBborder;BV3,
BmidwayBbetweenBV2BandBV4;BV4,BFifthBintercostalBspaceBatBmidclavicularBline;BV5,Bl
eftBanteriorBaxillaryBlineBatBlevelBofBV4Bhorizontally;BV6,BleftBmidaxillaryBlineBatBlevel
BofBV4Bhorizontally.
TheBnurseBisBapplyingBcontinuousBelectronicBmonitoringBusingBaBfive-
leadBsystem.BWhichBofBtheBfollowingBdescribesBcorrectBleadBplacement?
WhiteBonBrightBarm,BbrownBonBleftBarm,BgreenBonBleftBleg,BredBonBrightBleg,BblackB
onBchestBatBVBleadBlocation.