7th Edition by Barbara J Aehlert
Chapters 1 - 10
,ECGs Made Easy 7th Edition by Barbara Aehlert Test Bank
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Table of Contents:
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Chapter 1. Anatomy & Physiology
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Chapter 2. Basic Electrophysiology
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Chapter 3. Sinus Mechanisms
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Chapter 4. Atrial Rhythms
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Chapter 5. Junctional Rhythms
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Chapter 6. Ventricular Rhythms
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Chapter 7. Atrioventricular Blocks
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Chapter 8. Pacemaker Rhythms
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Chapter 9. Introduction to the 12-Lead ECG
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Chapter 10. Post-Test
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,Chapteri01:iAnatomyiandiPhysiologyiA
ehlert:iECGsiMadeiEasy,i7thiEdition
MULTIPLEiCHOICE
1. Theiapexiofitheiheartiisiformedibyithe .
a. tipiofitheileftiventricle
b. tipiofitheirightiatrium
c. rightiatriumiandirightiventricle
d. leftiatriumiandileftiventricle
ANSWER:i A
Theiheart’siapex,ioriloweriportion,iisiformedibyitheitipiofitheileftiventricle.iTheiapexiliesijustiabov
eitheidiaphragm,ibetweenitheififthiandisixthiribs,iinitheimidclaviculariline.
OBJ:i Identifyitheisurfacesiofitheiheart.
2. Theileftiatriumireceivesibloodifromithe .
a. pulmonaryiveins
b. aorta
c. pulmonaryiarteries
d. inferiorivenaicava
ANSWER:i A
Theileftiatriumireceivesifreshlyioxygenatedibloodifromitheilungsiviaitheirightiandileftipul
monaryiveins.
OBJ:i Identifyiandidescribeitheichambersiofitheiheartianditheivesselsithatienteriorileaveieach.
3. Theianteriorisurfaceiofitheihearticonsistsiprimarilyiofithe .
a. leftiatrium
b. rightiatrium
c. leftiventricle
d. rightiventricle
ANSWER:i D
Theifronti(anterior)isurfaceiofitheiheartiliesibehinditheisternumiandicostalicartilages.iItiisiformedib
yiportionsiofitheirightiatriumianditheileftiandirightiventricles.iHowever,ibecauseitheiheartiisitiltedis
lightlyitowarditheileftiinitheichest,itheirightiventricleiisitheiareaiofitheiheartithatiliesimostidirectlyib
ehinditheisternum.
OBJ:i Identifyitheisurfacesiofitheiheart.
4. Bloodipressureiisideterminediby multipliediby .
a. strokeivolume;iheartirate
b. heartirate;icardiacioutput
c. cardiacioutput;iperipheralivasculariresistance
d. strokeivolume;iperipheralivasculariresistance
ANSWER:i C
Bloodipressureiisiequalitoicardiacioutputimultipliedibyiperipheralivasculariresistance.
, OBJ:i Identifyiandiexplainitheicomponentsiofibloodipressureiandicardiacioutput.
5. Theirightiatriumireceivesivenousibloodifromitheihead,ineck,iandithoraxiviaithe
,ifromitheiremainderiofitheibodyiviaithe
,iandifromitheiheartiviaithe .
a. coronaryisinus;isuperiorivenaicava;iinferiorivenaicava
b. superiorivenaicava;icoronaryisinus;iinferiorivenaicava
c. inferiorivenaicava;isuperiorivenaicava;icoronaryisinus
d. superiorivenaicava;iinferiorivenaicava;icoronaryisinus
ANSWER:i D
Theirightiatriumireceivesibloodilowiinioxygenifromitheisuperiorivenaicava,iwhichicarriesiblood
ifromitheiheadiandiupperiextremities;itheiinferiorivenaicava,iwhichicarriesibloodifromitheiloweri
body;ianditheicoronaryisinus,iwhichiisitheilargestiveinithatidrainsitheiheart.
OBJ:i Identifyiandidescribeitheichambersiofitheiheartianditheivesselsithatienteriorileaveieach.
6. Theiheartiisidividediinto chambersibutifunctionsiasia -sidedipump.
a. two;ifour
b. three;itwo
c. four;itwo
d. four;ithree
ANSWER:i C
Theiheartihasifourichambers:itwoiatriaianditwoiventricles.iTheirightiandileftisidesiofitheiheartiareis
eparatedibyianiinternaliwallioficonnectiveitissueicallediaiseptum.iTheiinteratrialiseptumiseparates
itheirightiandileftiatria.iTheiinterventriculariseptum iseparatesitheirightiandileftiventricles.iTheisep
taiseparateitheiheartiintoitwoifunctionalipumps.iTheirightiatriumiandirightiventricleimakeiupionei
pump.iTheileftiatriumiandileftiventricleimakeiupitheiother.
OBJ:i Identifyiandidescribeitheichambersiofitheiheartianditheivesselsithatienteriorileaveieach.
7. Stimulationiofialpha1ireceptorsiresultsiin .
a. increasediheartirate
b. peripheralivasoconstriction
c. constrictioniofibronchialismoothimuscle
d. increasediforceiofimyocardialicontraction
ANSWER:i B
Alpha1ireceptorsiareifoundiinitheieyes,ibloodivessels,ibladder,iandimaleireproductiveiorgans.iSti
mulationiofialpha1ireceptorisitesiresultsiiniconstriction.
OBJ:i Compareiandicontrastitheieffectsiofisympatheticiandiparasympatheticistimulationiofitheiheart.
8. Whichisideiofitheiheartiisiailow-pressureisystemithatipumpsivenousiblooditoitheilungs?
a. Left
b. Right
ANSWER:i B
Theijobiofitheirightisideiofitheiheartiisitoipumpiunoxygenatediblooditoiandithroughitheilungsitoithei
leftisideiofitheiheart.iThisiisicalleditheipulmonaryicirculation.iTheirightisideiofitheiheartiisiailow-
pressureisystem.