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ECGs MADE EASY
V V
6TH EDITION | AEHLERT
V V V
TEST BANK V
,ECGsVMadeVEasyV6thVEditionVbyVBarbaraVAehlertVTestVBank
TableVofVContents:
ChapterV1.VAnatomyV&VPhysiology
ChapterV2.VBasicVElectrophysiology
ChapterV3.VSinusVMechanisms
ChapterV4.VAtrialVRhythms
ChapterV5.VJunctionalVRhythms
ChapterV6.VVentricularVRhythms
ChapterV7.VAtrioventricularVBlocks
ChapterV8.VPacemakerVRhythms
ChapterV9.VIntroductionVtoVtheV12-LeadVECG
ChapterV10.VPost-Test
,ChapterV01:VAnatomyVandVPhysiolog
yVAehlert:VECGsVMadeVEasy,V6thVEdi
tion
MULTIPLEVCHOICE
1. TheVapexVofVtheVheartVisVformedVbyVthe .
a. tipVofVtheVleftVventricle
b. tipVofVtheVrightVatrium
c. rightVatriumVandVrightVventricle
d. leftVatriumVandVleftVventricle
ANS:V A
TheVheart’sVapex,VorVlowerVportion,VisVformedVbyVtheVtipVofVtheVleftVventricle.VTheVapex
VliesVjustVaboveVtheVdiaphragm,VbetweenVtheVfifthVandVsixthVribs,VinVtheVmidclavicularVli
ne.
OBJ:V IdentifyVtheVsurfacesVofVtheVheart.
2. TheVleftVatriumVreceivesVbloodVfromVthe .
a. pulmonaryVveins
b. aorta
c. pulmonaryVarteries
d. inferiorVvenaVcava
ANS:V A
TheVleftVatriumVreceivesVfreshlyVoxygenatedVbloodVfromVtheVlungsVviaVtheVrightVandVleft
VpulmonaryVveins.
OBJ:V IdentifyVandVdescribeVtheVchambersVofVtheVheartVandVtheVvesselsVthatVenterVorVleaveVeach.
3. TheVanteriorVsurfaceVofVtheVheartVconsistsVprimarilyVofVthe .
a. leftVatrium
b. rightVatrium
c. leftVventricle
d. rightVventricle
ANS:V D
TheVfrontV(anterior)VsurfaceVofVtheVheartVliesVbehindVtheVsternumVandVcostalVcartilages.VI
tVisVformedVbyVportionsVofVtheVrightVatriumVandVtheVleftVandVrightVventricles.VHowever,V
becauseVtheVheartVisVtiltedVslightlyVtowardVtheVleftVinVtheVchest,VtheVrightVventricleVisVth
eVareaVofVtheVheartVthatVliesVmostVdirectlyVbehindVtheVsternum.
OBJ:V IdentifyVtheVsurfacesVofVtheVheart.
4. BloodVpressureVisVdeterminedVby multipliedVby .
a. strokeVvolume;VheartVrate
b. heartVrate;VcardiacVoutput
c. cardiacVoutput;VperipheralVvascularVresistance
d. strokeVvolume;VperipheralVvascularVresistance
ANS:V C
BloodVpressureVisVequalVtoVcardiacVoutputVmultipliedVbyVperipheralVvascularVresistance.
, OBJ:V IdentifyVandVexplainVtheVcomponentsVofVbloodVpressureVandVcardiacVoutput.
5. TheVrightVatriumVreceivesVvenousVbloodVfromVtheVhead,Vneck,VandVthoraxVviaVthe
,VfromVtheVremainderVofVtheVbodyVviaVthe
,VandVfromVtheVheartVviaVthe .
a. coronaryVsinus;VsuperiorVvenaVcava;VinferiorVvenaVcava
b. superiorVvenaVcava;VcoronaryVsinus;VinferiorVvenaVcava
c. inferiorVvenaVcava;VsuperiorVvenaVcava;VcoronaryVsinus
d. superiorVvenaVcava;VinferiorVvenaVcava;VcoronaryVsinus
ANS:V D
TheVrightVatriumVreceivesVbloodVlowVinVoxygenVfromVtheVsuperiorVvenaVcava,VwhichVc
arriesVbloodVfromVtheVheadVandVupperVextremities;VtheVinferiorVvenaVcava,VwhichVcarrie
sVbloodVfromVtheVlowerVbody;VandVtheVcoronaryVsinus,VwhichVisVtheVlargestVveinVthatV
drainsVtheVheart.
OBJ:V IdentifyVandVdescribeVtheVchambersVofVtheVheartVandVtheVvesselsVthatVenterVorVleaveVeach.
6. TheVheartVisVdividedVinto chambersVbutVfunctionsVasVa -sidedVpump.
a. two;Vfour
b. three;Vtwo
c. four;Vtwo
d. four;Vthree
ANS:V C
TheVheartVhasVfourVchambers:VtwoVatriaVandVtwoVventricles.VTheVrightVandVleftVsidesVofVt
heVheartVareVseparatedVbyVanVinternalVwallVofVconnectiveVtissueVcalledVaVseptum.VTheVin
teratrialVseptumVseparatesVtheVrightVandVleftVatria.VTheVinterventricularVseptumVseparatesV
theVrightVandVleftVventricles.VTheVseptaVseparateVtheVheartVintoVtwoVfunctionalVpumps.VT
heVrightVatriumVandVrightVventricleVmakeVupVoneVpump.VTheVleftVatriumVandVleftVventric
leVmakeVupVtheVother.
OBJ:V IdentifyVandVdescribeVtheVchambersVofVtheVheartVandVtheVvesselsVthatVenterVorVleaveVeach.
7. StimulationVofValpha1VreceptorsVresultsVin .
a. increasedVheartVrate
b. peripheralVvasoconstriction
c. constrictionVofVbronchialVsmoothVmuscle
d. increasedVforceVofVmyocardialVcontraction
ANS:V B
Alpha1VreceptorsVareVfoundVinVtheVeyes,VbloodVvessels,Vbladder,VandVmaleVreproductiveVorga
ns.VStimulationVofValpha1VreceptorVsitesVresultsVinVconstriction.
OBJ:V CompareVandVcontrastVtheVeffectsVofVsympatheticVandVparasympatheticVstimulationVofVtheVhear
t.
8. WhichVsideVofVtheVheartVisVaVlow-pressureVsystemVthatVpumpsVvenousVbloodVtoVtheVlungs?
a. Left
b. Right
ANS:V B
TheVjobVofVtheVrightVsideVofVtheVheartVisVtoVpumpVunoxygenatedVbloodVtoVandVthroughV
theVlungsVtoVtheVleftVsideVofVtheVheart.VThisVisVcalledVtheVpulmonaryVcirculation.VTheVrig
htVsideVofVtheVheartVisVaVlow-pressureVsystem.