TEST BANK FOR Basic Arrhythmias, 9th Edition by Gail Walraven Chapter 1-8

TEST BANK FOR
x x


BasicxArrhythmias,x9thxEditionxbyxGailxWalraven
Chapterx1-8

Chapterx1 Electrophysiologyx

1) xxThexinherentxratexofxthexSAxnodexisx bpm.
A) 30-60
B) 40-60
C) 60-100
D) 100-120
Answer:x CxLearnin
gxObj.:x 1.3

2) ThexinherentxratexofxthexAVxjunctionxisx bpm.
A) 20-40
B) 40-60
C) 60-100
D) 100-120
Answer:x BxLearnin
gxObj.:x 1.3

3) Thexinherentxratexofxthexventriclexisx bpm.
A) 20-40
B) 40-60
C) 60-100
D) 100-120
Answer:x AxLearnin
gxObj.:x 1.3

4) Thexbuilt-inxratexofxeachxofxthexthreexmajorxareasxofxthexconductionxsystemxisxreferredxtoxasxthe
rate.
A) fast
B) heart
C) escape
D) inherentxAnswer
:x DxLearningxObj.:
x 1.3




5) Whatxtermxisxusedxtoxreferxtoxthexprocessxofxelectricalxdischargexandxthexflowxofxelectricalxa
ctivity?
A) Repolarization
B) Depolarization
C) Polarization
D) Polarized
xAnswer:x B



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,LearningxObj.:x x 1.2
6) Ifxpolarizingxisxconsideredxthexreadyxstate,xthenx
wouldxbexconsideredxthexrecoveryxstate.
A) discharge
B) polarization
C) repolarization
D) depolarizationxA
nswer:x CxLearningx
Obj.:x 1.2

7) AfterxleavingxthexareaxofxthexAVxnode,ximpulsesxgoxthroughxthex
toxreachxthexrightxandxleftxbundlexbranches.
A) Purkinjexfibers
B) BundlexofxHis
C) AVxjunction
D) SAxnodexAnswe
r:x BxLearningxObj.:
x 1.3




8) Partxofxthexparasympatheticxbranchxofxthexautonomicxnervousxsystemxisxthex nerve.
A) vagus
B) coronary
C) aortic
D) pericardialxAns
wer:x AxLearningxO
bj.:x 1.4

9) Whenxstimulated,xthex
branchxofxthexnervousxsystemxincreasesxheartxrate,xAVxconduction,xandxirritability.
A) parasympathetic
B) sympathetic
C) pacemaker
D) inherentxAnswer
:x BxLearningxObj.:
x 1.4




10) Whichxcardiacxcellsxarexresponsiblexforxinitiatingxandxconductingxpacemakerximpulses?
A) Motorxcells
B) Mechanicalxcells
C) Electricalxcells
D) Atrioventricularxcells
xAnswer:x C

LearningxObj.:x x 1.1




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,11) Whichxisxthexnormalxpacemakerxofxthexheart?
A) SAxnode
B) AVxnode
C) AVxjunction
D) VentriclexAnswe
r:x AxLearningxObj.:
x 1.3




12) WhichxofxthexfollowingxisxNOTxaxpartxofxthexnormalxcardiacxconductionxsystem?
A) Coronaryxsinus
B) AVxnode
C) PurkinjexFibers
D) Internodalxpathways
xAnswer:x A

LearningxObj.:x x 1.1

13) Whatxisxthextermxforxthexfail-
safexmechanismxthatxallowsxaxlowerxpacemakerxtoxtakexoverxwhenxaxhigherxsitexfails?
A) Polarization
B) Irritability
C) AVxconduction
D) Escapex
Answer:x D
LearningxObj.:x x 1.4

14) Whichxofxthexfollowingxbestxexplainsxthexmechanismxcalledxirritability?
A) Thexventriclesxrepolarizexbeforextheyxarexready.
B) Thexnormalxpacemakerxslowsxdownxandxgivesxupxcontrol.
C) Axlowerxpacemakerxsitexspeedsxupxtoxtakexcontrolxofxthexheart.
D) Thexnormalxpacemakerxchangesxitsxinherentxrate.x
Answer:x C
LearningxObj.:x x 1.4

15) WhichxofxthexfollowingxdoesxNOTxhappenxwhenxthexsympatheticxbranchxisxstimulated?
A) Heartxratexincreases.
B) Thexheartxbecomesxmorexirritable.
C) ImpulsesxgoxfasterxthroughxthexAVxnode.
D) Ventricularxconductionxslowsxdown.x
Answer:x D
LearningxObj.:x x 1.4




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, BasicxArrhythmiasxWithx12-
LeadxEKGs,x9ex(Walraven)xChapterx2
WavesxandxMeasurements

1) WhenxanxEKGxmachinexisxturnedxonxbutxnotxyetxconnectedxtoxthexpatient,xthexstylusxproducesxaxst
raightxlinexcalledxthex line.
A) equalxforce
B) isoelectric
C) standard
D) straightx Answer
:x BxLearningxObj.:
x 2.1




2) ThexEKGxmachinexproducesxanxuprightxdeflectionxonxthexgraphxpaperxifxthexflowxofxelectricityxisxt
owardxthex electrode.
A) positive
B) negative
C) straight
D) invertedxAnswer
:x AxLearningxObj.:
x 2.3




3) ThexhorizontalxlinesxonxthexEKGxgraphxpaperxmeasure:
A) time.
B) speed.
C) pattern.
D) voltage.x Answer
:x DxLearningxObj.:
x 2.2




4) ThexverticalxlinesxonxthexEKGxgraphxpaperxmeasure:
A) time.
B) speed.
C) pattern.
D) voltage.x Answer
:x AxLearningxObj.:
x 2.2




5) Thexdistancexbetweenxtwox"tic"xmarksxisx sec.
A)x3
B)x4
C)x5
D)x6
Answer:x AxLearnin
gxObj.:x 2.2



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