V V
ECGsVMadeVEasyV7thVEdition
VbyVBarbaraVJVAehlert
TEST BANK!!! V
,ECGsV MadeV EasyV 7thVEditionV byV BarbaraV AehlertV TestV Bank
TableV ofVContents:
ChapterV1.V AnatomyV &V Physiology
ChapterV 2.V BasicVElectrophysiology
ChapterV3.V SinusV Mechanisms
ChapterV 4.V AtrialVRhythms
ChapterV 5.V JunctionalV Rhythms
ChapterV 6.V VentricularV Rhythms
ChapterV 7.V AtrioventricularV Blocks
ChapterV 8.V PacemakerV Rhythms
ChapterV 9.V IntroductionV toV theV12-LeadVECG
ChapterV 10.V Post-Test
,ChapterV01:VAnatomyVandVPhysiolog
yVAehlert:VECGsVMadeVEasy,V7thVEd
ition
MULTIPLEVCHOICE
1. TheVapexVofVtheVheartVisVformedVbyVthe .
a. tipVofVtheVleftVventricle
b. tipVofVtheVrightVatrium
c. rightVatriumVandVrightVventricle
d. leftVatriumVandVleftVventricle
ANS:V A
TheVheart’sVapex,VorVlowerVportion,VisVformedVbyVtheVtipVofVtheVleftVventricle.VTheVape
xVliesVjustVaboveVtheVdiaphragm,VbetweenVtheVfifthVandVsixthVribs,VinVtheVmidclavicular
Vline.
OBJ:V IdentifyVtheVsurfacesVofVtheVheart.
2. TheVleftVatriumVreceivesVbloodVfromVthe .
a. pulmonaryV veins
b. aorta
c. pulmonaryV arteries
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.
VItVisVformedVbyVportionsVofVtheVrightVatriumVandVtheVleftVandVrightVventricles.VHowev
er,VbecauseVtheVheartVisVtiltedVslightlyVtowardVtheVleftVinVtheVchest,VtheVrightVventricleVi
sVtheVareaVofVtheVheartVthatVliesVmostVdirectlyVbehindVtheVsternum.
OBJ:V IdentifyVtheVsurfacesVofVtheVheart.
4. BloodV pressureV isV determinedV by multipliedV by .
a. strokeVvolume;VheartVrate
b. heartVrate;VcardiacVoutput
c. cardiacV output;V peripheralV vascularV resistance
d. strokeV volume;V peripheralV vascularV resistance
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,Vwhich
VcarriesVbloodVfromVtheVheadVandVupperVextremities; VtheVinferiorVvenaVcava,VwhichVc
arriesVbloodVfromVtheVlowerVbody;VandVtheVcoronaryVsinus,VwhichVisVtheVlargestVvein
VthatVdrainsVtheVheart.
OBJ:V IdentifyVandVdescribeVtheVchambersVofVtheVheartVandVtheVvesselsVthatVenterVorVleaveVeach.
6. TheVheartV isV dividedV into chambersV butV functionsV asV a -sidedV pump.
a. two;Vfour
b. three;Vtwo
c. four;Vtwo
d. four;Vthree
ANS:V C
TheVheartVhasVfourVchambers:VtwoVatriaVandVtwoVventricles.VTheVrightVandVleftVsidesVof
VtheVheartVareVseparated VbyVanVinternal VwallVofVconnectiveVtissueVcalledVaVseptum.VThe
VinteratrialVseptumVseparatesVtheVrightVandVleftVatria.VTheVinterventricular VseptumVsepar
atesVtheVrightVandVleftVventricles.VTheVseptaVseparateVtheVheartVintoVtwoVfunctionalVpu
mps.VTheVrightVatriumVandVrightVventricleVmakeVupVoneVpump.VTheVleftVatriumVandVlef
tVventricleVmakeVupVtheVother.
OBJ:V IdentifyVandVdescribeVtheVchambersVofVtheVheartVandVtheVvesselsVthatVenterVorVleaveVeach.
7. StimulationV ofV alpha1V receptorsV resultsV in .
a. increasedV heartV rate
b. peripheralV vasoconstriction
c. constrictionVofVbronchialVsmoothVmuscle
d. increasedV forceV ofV myocardialV contraction
ANS:V B
Alpha1VreceptorsVareVfoundVinVtheVeyes,VbloodVvessels,Vbladder,VandVmaleVreproductiveVorga
ns.VStimulationVofValpha1VreceptorVsitesVresultsVinVconstriction.
OBJ:V CompareVandVcontrastVtheVeffectsVofVsympatheticVandVparasympatheticVstimulationVofVtheVheart
.
8. WhichVsideVofVtheVheartVisVaVlow-pressureVsystemVthatVpumpsVvenousVbloodVtoVtheVlungs?
a. Left
b. Right
ANS:V B
TheVjobVofVtheVrightVsideVofVtheVheartVisVtoVpumpVunoxygenatedVbloodVtoVandVthrough
VtheVlungsVtoVtheVleftVsideVofVtheVheart.VThisVisVcalledVtheVpulmonaryVcirculation.VTheVr
ightVsideVofVtheVheartVisVaVlow-pressureVsystem.