TEST BANK For ECGs Made Easy, 7th Edition by Barbara J Aehlert, All Chapters 1 - 10, Complete Newest Version

Test bank for ECGs Made Easy
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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,Chapter 01: Anatomy and Physiology
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Aehlert: ECGs Made Easy, 7th Edition
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MULTIPLEkCHOICE

1. Thekapexkofkthekheartkiskformedkbykthe .
a. tipkofkthekleftkventricle
b. tipkofkthekrightkatrium
c. rightkatriumkandkrightkventricle
d. leftkatriumkandkleftkventricle
ANSWER:k A
Thekheart’skapex,korklowerkportion,kiskformedkbykthektipkofkthekleftkventricle.kThekapexklieskjustkabo
vekthekdiaphragm,kbetweenkthekfifthkandksixthkribs,kinkthekmidclavicularkline.

OBJ:k Identifyktheksurfaceskofkthekheart.

2. Thekleftkatriumkreceiveskbloodkfromkthe .
a. pulmonarykveins
b. aorta
c. pulmonarykarteries
d. inferiorkvenakcava
ANSWER:k A
Thekleftkatriumkreceiveskfreshlykoxygenatedkbloodkfromktheklungskviakthekrightkandkleftkpul
monarykveins.

OBJ:k Identifykandkdescribekthekchamberskofkthekheartkandkthekvesselskthatkenterkorkleavekeach.

3. Thekanteriorksurfacekofkthekheartkconsistskprimarilykofkthe .
a. leftkatrium
b. rightkatrium
c. leftkventricle
d. rightkventricle
ANSWER:k D
Thekfrontk(anterior)ksurfacekofkthekheartklieskbehindktheksternumkandkcostalkcartilages.kItkiskformedk
bykportionskofkthekrightkatriumkandkthekleftkandkrightkventricles.kHowever,kbecausekthekheartkisktilte
dkslightlyktowardkthekleftkinkthekchest,kthekrightkventriclekiskthekareakofkthekheartkthatklieskmostkdirectl
ykbehindktheksternum.

OBJ:k Identifyktheksurfaceskofkthekheart.

4. Bloodkpressurekiskdeterminedkby multipliedkby .
a. strokekvolume;kheartkrate
b. heartkrate;kcardiackoutput
c. cardiackoutput;kperipheralkvascularkresistance
d. strokekvolume;kperipheralkvascularkresistance
ANSWER:k C
Bloodkpressurekiskequalktokcardiackoutputkmultipliedkbykperipheralkvascularkresistance.

, OBJ:k Identifykandkexplainkthekcomponentskofkbloodkpressurekandkcardiackoutput.

5. Thekrightkatriumkreceiveskvenouskbloodkfromkthekhead,kneck,kandkthoraxkviakthe
,kfromkthekremainderkofkthekbodykviakthe
,kandkfromkthekheartkviakthe .
a. coronaryksinus;ksuperiorkvenakcava;kinferiorkvenakcava
b. superiorkvenakcava;kcoronaryksinus;kinferiorkvenakcava
c. inferiorkvenakcava;ksuperiorkvenakcava;kcoronaryksinus
d. superiorkvenakcava;kinferiorkvenakcava;kcoronaryksinus
ANSWER:k D
Thekrightkatriumkreceiveskbloodklowkinkoxygenkfromktheksuperiorkvenakcava,kwhichkcarrieskbloo
dkfromkthekheadkandkupperkextremities;kthekinferiorkvenakcava,kwhichkcarrieskbloodkfromktheklow
erkbody;kandkthekcoronaryksinus,kwhichkisktheklargestkveinkthatkdrainskthekheart.

OBJ:k Identifykandkdescribekthekchamberskofkthekheartkandkthekvesselskthatkenterkorkleavekeach.

6. Thekheartkiskdividedkinto chamberskbutkfunctionskaska -sidedkpump.
a. two;kfour
b. three;ktwo
c. four;ktwo
d. four;kthree
ANSWER:k C
Thekheartkhaskfourkchambers:ktwokatriakandktwokventricles.kThekrightkandkleftksideskofkthekheartkarek
separatedkbykankinternalkwallkofkconnectivektissuekcalledkakseptum.kThekinteratrialkseptumkseparat
eskthekrightkandkleftkatria.kThekinterventricularkseptumkseparateskthekrightkandkleftkventricles.kTheks
eptakseparatekthekheartkintoktwokfunctionalkpumps.kThekrightkatriumkandkrightkventriclekmakekupko
nekpump.kThekleftkatriumkandkleftkventriclekmakekupkthekother.

OBJ:k Identifykandkdescribekthekchamberskofkthekheartkandkthekvesselskthatkenterkorkleavekeach.

7. Stimulationkofkalpha1kreceptorskresultskin .
a. increasedkheartkrate
b. peripheralkvasoconstriction
c. constrictionkofkbronchialksmoothkmuscle
d. increasedkforcekofkmyocardialkcontraction
ANSWER:k B
Alpha1kreceptorskarekfoundkinkthekeyes,kbloodkvessels,kbladder,kandkmalekreproductivekorgans.kSti
mulationkofkalpha1kreceptorksiteskresultskinkconstriction.

OBJ:k Comparekandkcontrastkthekeffectskofksympathetickandkparasympathetickstimulationkofkthekheart.

8. Whichksidekofkthekheartkiskaklow-pressureksystemkthatkpumpskvenouskbloodktoktheklungs?
a. Left
b. Right
ANSWER:k B
Thekjobkofkthekrightksidekofkthekheartkisktokpumpkunoxygenatedkbloodktokandkthroughktheklungsktokth
ekleftksidekofkthekheart.kThiskiskcalledkthekpulmonarykcirculation.kThekrightksidekofkthekheartkiskaklow-
pressureksystem.