Test Bank for ECGs Made Easy 6th Edition by Barbara J Aehlert 9780323401302 Chapters 1-10 Complete Guide.

TEST BANK
ECGs MADE EASY
6TH EDITION | AEHLERT




TEST BANK
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,ECGs Made Easy 6th Edition by Barbara Aehlert Test Bank Table of
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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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,Chapterws01:wsAnatomywsandwsPhysiologyw s Ae
hlert:wsECGswsMadewsEasy,ws6thwsEdition


MULTIPLEwsCHOICE

1. Thewsapexwsofwsthewsheartwsiswsformedwsbywsthe .
a. tipwsofwsthewsleftwsventricle
b. tipwsofwsthewsrightwsatrium
c. rightwsatriumwsandwsrightwsventricle
d. leftwsatriumwsandwsleftwsventricle
ANS:w s A
Thewsheart’swsapex,wsorwslowerwsportion,wsiswsformedwsbywsthewstipwsofwsthewsleftwsventricle.wsThewsapexwslieswsjustw
s abovewsthewsdiaphragm,wsbetweenwsthewsfifthwsandwssixthwsribs,wsinwsthewsmidclavicularwsline.



OBJ:wsw s Identifywsthewssurfaceswsofwsthewsheart.

2. Thewsleftwsatriumwsreceiveswsbloodwsfromwsthe .
a. pulmonarywsveins
b. aorta
c. pulmonarywsarteries
d. inferiorwsvenawscava
ANS:w s A
Thewsleftwsatriumwsreceiveswsfreshlywsoxygenatedwsbloodwsfromwsthewslungswsviawsthewsrightwsandwsleftw s pulmo
narywsveins.

OBJ:wsw s Identifywsandwsdescribewsthewschamberswsofwsthewsheartwsandwsthewsvesselswsthatwsenterwsorwsleavewseach.

3. Thewsanteriorwssurfacewsofwsthewsheartwsconsistswsprimarilywsofwsthe .
a. leftwsatrium
b. rightwsatrium
c. leftwsventricle
d. rightwsventricle
ANS:w s D
Thewsfrontws(anterior)wssurfacewsofwsthewsheartwslieswsbehindwsthewssternumwsandwscostalwscartilages.wsItwsisw s f
ormedwsbywsportionswsofwsthewsrightwsatriumwsandwsthewsleftwsandwsrightwsventricles.wsHowever,wsbecausewsthew
s heartwsiswstiltedwsslightlywstowardwsthewsleftwsinwsthewschest,wsthewsrightwsventriclewsiswsthewsareawsofwsthewsheartw

sthatw s lieswsmostwsdirectlywsbehindwsthewssternum.



OBJ:wsw s Identifywsthewssurfaceswsofwsthewsheart.

4. Bloodwspressurewsiswsdeterminedwsby multipliedwsby .
a. strokewsvolume;wsheartwsrate
b. heartwsrate;wscardiacwsoutput
c. cardiacwsoutput;wsperipheralwsvascularwsresistance
d. strokewsvolume;wsperipheralwsvascularwsresistance
ANS:w s C
Bloodwspressurewsiswsequalwstowscardiacwsoutputwsmultipliedwsbywsperipheralwsvascularwsresistance.

, OBJ:wsw s Identifywsandwsexplainwsthewscomponentswsofwsbloodwspressurewsandwscardiacwsoutput.

5. Thewsrightwsatriumwsreceiveswsvenouswsbloodwsfromwsthewshead,wsneck,wsandwsthoraxwsviawsthe
,wsfromw s thewsremainderwsofwsthewsbodywsviawsthe
,wsandwsfromwsthewsheartwsviawsthe .
a. coronarywssinus;wssuperiorwsvenawscava;wsinferiorwsvenawscava
b. superiorwsvenawscava;wscoronarywssinus;wsinferiorwsvenawscava
c. inferiorwsvenawscava;wssuperiorwsvenawscava;wscoronarywssinus
d. superiorwsvenawscava;wsinferiorwsvenawscava;wscoronarywssinus
ANS:w s D
Thewsrightwsatriumwsreceiveswsbloodwslowwsinwsoxygenwsfromwsthewssuperiorwsvenawscava,wswhichwscarriesw
s bloodwsfromwsthewsheadwsandwsupperwsextremities;wsthewsinferiorwsvenawscava,wswhichwscarrieswsbloodwsfro

mw s thewslowerwsbody;wsandwsthewscoronarywssinus,wswhichwsiswsthewslargestwsveinwsthatwsdrainswsthewsheart.

OBJ:wsw s Identifywsandwsdescribewsthewschamberswsofwsthewsheartwsandwsthewsvesselswsthatwsenterwsorwsleavewseach.

6. Thewsheartwsiswsdividedwsinto chamberswsbutwsfunctionswsaswsa -sidedwspump.
a. two;wsfour
b. three;wstwo
c. four;wstwo
d. four;wsthree
ANS:w s C
Thewsheartwshaswsfourwschambers:wstwowsatriawsandwstwowsventricles.wsThewsrightwsandwsleftwssideswsofwsthewshe
artw s arewsseparatedwsbywsanwsinternalwswallwsofwsconnectivewstissuewscalledwsawsseptum.wsThewsinteratrialwsse
ptumw s separateswsthewsrightwsandwsleftwsatria.wsThewsinterventricularwsseptumwsseparateswsthewsrightwsandwsl
eftw s ventricles.wsThewsseptawsseparatewsthewsheartwsintowstwowsfunctionalwspumps.wsThewsrightwsatriumwsandws
rightw s ventriclewsmakewsupwsonewspump.wsThewsleftwsatriumwsandwsleftwsventriclewsmakewsupwsthewsother.

OBJ:wsw s Identifywsandwsdescribewsthewschamberswsofwsthewsheartwsandwsthewsvesselswsthatwsenterwsorwsleavewseach.

7. Stimulationwsofwsalpha1wsreceptorswsresultswsin .
a. increasedwsheartwsrate
b. peripheralwsvasoconstriction
c. constrictionwsofwsbronchialwssmoothwsmuscle
d. increasedwsforcewsofwsmyocardialwscontraction
ANS:w s B
Alpha1wsreceptorswsarewsfoundwsinwsthewseyes,wsbloodwsvessels,wsbladder,wsandwsmalewsreproductivewsorgans.
w s Stimulationwsofwsalpha1wsreceptorwssiteswsresultswsinwsconstriction.



OBJ:wsw s Comparewsandwscontrastwsthewseffectswsofwssympatheticwsandwsparasympatheticwsstimulationwsofwsthewsheart.

8. Whichwssidewsofwsthewsheartwsiswsawslow-pressurewssystemwsthatwspumpswsvenouswsbloodwstowsthewslungs?
a. Left
b. Right
ANS:w s B
Thewsjobwsofwsthewsrightwssidewsofwsthewsheartwsiswstowspumpwsunoxygenatedwsbloodwstowsandwsthroughwsthewslun
gsw s towsthewsleftwssidewsofwsthewsheart.wsThiswsiswscalledwsthewspulmonarywscirculation.wsThewsrightwssidewsofwsthe
wsheartw s iswsawslow-pressurewssystem.