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

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ECGs MADE EASY
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6TH EDITION | AEHLERT
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TEST BANK Y

,ECGs Made Easy 6th 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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,Chapter 01: Anatomy and Physiology
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Aehlert: ECGs Made Easy, 6th Editio
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n


MULTIPLEYCHOICE

1. TheYapexYofYtheYheartYisYformedYbyYthe .
a. tipYofYtheYleftYventricle
b. tipYofYtheYrightYatrium
c. rightYatriumYandYrightYventricle
d. leftYatriumYandYleftYventricle
ANS:Y A
TheYheart’sYapex,YorYlowerYportion,YisYformedYbyYtheYtipYofYtheYleftYventricle.YTheYapexYliesYj
ustYaboveYtheYdiaphragm,YbetweenYtheYfifthYandYsixthYribs,YinYtheYmidclavicularYline.

OBJ:Y IdentifyYtheYsurfacesYofYtheYheart.

2. TheYleftYatriumYreceivesYbloodYfromYthe .
a. pulmonaryYveins
b. aorta
c. pulmonaryYarteries
d. inferiorYvenaYcava
ANS:Y A
TheYleftYatriumYreceivesYfreshlyYoxygenatedYbloodYfromYtheYlungsYviaYtheYrightYandYl
eftYpulmonaryYveins.

OBJ:Y IdentifyYandYdescribeYtheYchambersYofYtheYheartYandYtheYvesselsYthatYenterYorYleaveYeach.

3. TheYanteriorYsurfaceYofYtheYheartYconsistsYprimarilyYofYthe .
a. leftYatrium
b. rightYatrium
c. leftYventricle
d. rightYventricle
ANS:Y D
TheYfrontY(anterior)YsurfaceYofYtheYheartYliesYbehindYtheYsternumYandYcostalYcartilages.YItYisYfo
rmedYbyYportionsYofYtheYrightYatriumYandYtheYleftYandYrightYventricles.YHowever,YbecauseYtheY
heartYisYtiltedYslightlyYtowardYtheYleftYinYtheYchest,YtheYrightYventricleYisYtheYareaYofYtheYheartYt
hatYliesYmostYdirectlyYbehindYtheYsternum.

OBJ:Y IdentifyYtheYsurfacesYofYtheYheart.

4. BloodYpressureYisYdeterminedYby multipliedYby .
a. strokeYvolume;YheartYrate
b. heartYrate;YcardiacYoutput
c. cardiacYoutput;YperipheralYvascularYresistance
d. strokeYvolume;YperipheralYvascularYresistance
ANS:Y C
BloodYpressureYisYequalYtoYcardiacYoutputYmultipliedYbyYperipheralYvascularYresistance.

, OBJ:Y IdentifyYandYexplainYtheYcomponentsYofYbloodYpressureYandYcardiacYoutput.

5. TheYrightYatriumYreceivesYvenousYbloodYfromYtheYhead,Yneck,YandYthoraxYviaYthe
,YfromYtheYremainderYofYtheYbodyYviaYthe
,YandYfromYtheYheartYviaYthe .
a. coronaryYsinus;YsuperiorYvenaYcava;YinferiorYvenaYcava
b. superiorYvenaYcava;YcoronaryYsinus;YinferiorYvenaYcava
c. inferiorYvenaYcava;YsuperiorYvenaYcava;YcoronaryYsinus
d. superiorYvenaYcava;YinferiorYvenaYcava;YcoronaryYsinus
ANS:Y D
TheYrightYatriumYreceivesYbloodYlowYinYoxygenYfromYtheYsuperiorYvenaYcava,YwhichYcarries
YbloodYfromYtheYheadYandYupperYextremities;YtheYinferiorYvenaYcava,YwhichYcarriesYbloodYfr

omYtheYlowerYbody;YandYtheYcoronaryYsinus,YwhichYisYtheYlargestYveinYthatYdrainsYtheYheart.

OBJ:Y IdentifyYandYdescribeYtheYchambersYofYtheYheartYandYtheYvesselsYthatYenterYorYleaveYeach.

6. TheYheartYisYdividedYinto chambersYbutYfunctionsYasYa -sidedYpump.
a. two;Yfour
b. three;Ytwo
c. four;Ytwo
d. four;Ythree
ANS:Y C
TheYheartYhasYfourYchambers:YtwoYatriaYandYtwoYventricles.YTheYrightYandYleftYsidesYofYtheYhe
artYareYseparatedYbyYanYinternalYwallYofYconnectiveYtissueYcalledYaYseptum.YTheYinteratrialYsept
umYseparatesYtheYrightYandYleftYatria.YTheYinterventricularYseptumYseparatesYtheYrightYandYleft
Yventricles.YTheYseptaYseparateYtheYheartYintoYtwoYfunctionalYpumps.YTheYrightYatriumYandYrig

htYventricleYmakeYupYoneYpump.YTheYleftYatriumYandYleftYventricleYmakeYupYtheYother.

OBJ:Y IdentifyYandYdescribeYtheYchambersYofYtheYheartYandYtheYvesselsYthatYenterYorYleaveYeach.

7. StimulationYofYalpha1YreceptorsYresultsYin .
a. increasedYheartYrate
b. peripheralYvasoconstriction
c. constrictionYofYbronchialYsmoothYmuscle
d. increasedYforceYofYmyocardialYcontraction
ANS:Y B
Alpha1YreceptorsYareYfoundYinYtheYeyes,YbloodYvessels,Ybladder,YandYmaleYreproductiveYorgan
s.YStimulationYofYalpha1YreceptorYsitesYresultsYinYconstriction.

OBJ:Y CompareYandYcontrastYtheYeffectsYofYsympatheticYandYparasympatheticYstimulationYofYtheYheart.

8. WhichYsideYofYtheYheartYisYaYlow-pressureYsystemYthatYpumpsYvenousYbloodYtoYtheYlungs?
a. Left
b. Right
ANS:Y B
TheYjobYofYtheYrightYsideYofYtheYheartYisYtoYpumpYunoxygenatedYbloodYtoYandYthroughYtheYlun
gsYtoYtheYleftYsideYofYtheYheart.YThisYisYcalledYtheYpulmonaryYcirculation.YTheYrightYsideYofYtheY
heartYisYaYlow-pressureYsystem.