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Test Bank for 12 Lea b b b b
d ECG in Acute
b b b
Coronary
Syndromes3rd Editi b b
on Phalen b
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Chapter 01: Anatomy and Physiology Te
b b b b b
st Bank
b
TRUE/FALSE
1. Stimulationbofbbeta-adrenergicbreceptorbsitesbwillbresultbinbperipheralbvasoconstriction.
ANS:b F
Betabreceptorbsitesbarebdividedbintobbeta1bandbbeta2.bBeta1breceptorsbarebfoundbinbthebheartbandbk
idneys.bStimulationbofbbeta1breceptorbsitesbinbthebheartbresultsbinbincreasedbheartbrate,bcontractili
ty,bandbultimatelybirritabilitybofbcardiacbcells.bStimulationbofbbeta1breceptorbsitesbinbthebkidneysb
resultsbinbthebreleasebofbreninbintobthebblood.bReninbpromotesbthebproductionbofbangiotensin,babp
owerfulbvasoconstrictor.bBeta2breceptorbsitesbarebfoundbinbthebarteriolesbofbthebheart,blungs,bandb
skeletalbmuscle.bStimulationbresultsbinbdilation.bStimulationbofbbeta2breceptorbsitesbinbthebsmoot
hbmusclebofbthebbronchibresultsbinbdilation.
OBJ:b b Comparebandbcontrastbthebeffectsbofbsympatheticbandbparasympatheticbstimulationbofbthebheart.
2. Bloodbpressurebisbthebresultbofbcardiacboutputbandbperipheralbvascularbresistance.
ANS:b T
Bloodbpressurebisbequalbtobcardiacboutputbmultipliedbbybperipheralbvascularbresistance.bBloodbpressure
bisbthebforcebexerted bbybthebcirculatingbbloodbvolumebonbthebwallsbofbthebarteries.
Peripheralbvascularbresistancebisbthebresistancebtobthebflowbofbbloodbdeterminedbbybbloodbvesselb
diameterbandbthebtonebofbthebvascularbmusculature.
OBJ:b b Identifybandbexplainbthebcomponentsbofbbloodbpressurebandbcardiacboutput.
MULTIPLEbCHOICE
1. Thebapexbofbthebheartbisbformedbbybtheb .
a. tipbofbthebleftbventricle
b. tipbofbthebrightbatrium
c. rightbatriumbandbrightbventricle
d. leftbatriumbandbleftbventricle
ANS:b A
Thebheart’sbapex,borblowerbportion,bisbformedbbybthebtipbofbthebleftbventricle.bThebapexbliesbjustba
bovebthebdiaphragm,bbetweenbthebfifthbandbsixthbribs,binbthebmidclavicularbline.
OBJ:b b Identifybthebsurfacesbofbthebheart.
2. Thebleftbatriumbreceivesbbloodbfrombtheb .
a. pulmonarybveins
b. aorta
c. pulmonarybarteries
d. inferiorbvenabcava
ANS:b A
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Thebleftbatriumbreceivesbfreshlyboxygenatedbbloodbfrombtheblungsbviabthebrightbandbleftbpulmona
rybveins.
OBJ:b b Identifybandbdescribebthebchambersbofbthebheartbandbthebvesselsbthatbenterborbleavebeach.
3. Thebanteriorbsurfacebofbthebheartbconsistsbprimarilybofbtheb .
a. leftbatrium
b. rightbatrium
c. leftbventricle
d. rightbventricle
ANS:b D
Thebfrontb(anterior)bsurfacebofbthebheartbliesbbehindbthebsternumbandbcostalbcartilages.bItbisbforme
dbbybportionsbofbthebrightbatriumbandbthebleftbandbrightbventricles.bHowever,bbecausebthebheartbisbt
iltedbslightlybtowardbthebleftbinbthebchest,bthebrightbventriclebisbthebareabofbthebheartbthatbliesbmostb
directlybbehindbthebsternum.
OBJ:b b Identifybthebsurfacesbofbthebheart.
4. Bloodbpressurebisbdeterminedbbyb multipliedbbyb .
a. strokebvolume;bheartbrate
b. heartbrate;bcardiacboutput
c. cardiacboutput;bperipheralbvascularbresistance
d. strokebvolume;bperipheralbvascularbresistance
ANS:b C
Bloodbpressurebisbequalbtobcardiacboutputbmultipliedbbybperipheralbvascularbresistance.
OBJ:b b Identifybandbexplainbthebcomponentsbofbbloodbpressurebandbcardiacboutput.
5. Thebrightbatriumbreceivesbvenousbbloodbfrombthebhead,bneck,bandbthoraxbviabtheb
,bfrombthebremainderbofbthebbodybviabtheb
,bandbfrombthebheartbviabtheb .
a. coronarybsinus;bsuperiorbvenabcava;binferiorbvenabcava
b. superiorbvenabcava;bcoronarybsinus;binferiorbvenabcava
c. inferiorbvenabcava;bsuperiorbvenabcava;bcoronarybsinus
d. superiorbvenabcava;binferiorbvenabcava;bcoronarybsinus
ANS:b D
Thebrightbatriumbreceivesbbloodblowbinboxygenbfrombthebsuperiorbvenabcava,bwhichbcarriesbbloo
dbfrombthebheadbandbupperbextremities;bthebinferiorbvenabcava,bwhichbcarriesbbloodbfrombtheblo
werbbody;bandbthebcoronarybsinus,bwhichbisbtheblargestbveinbthatbdrainsbthebheart.
OBJ:b b Identifybandbdescribebthebchambersbofbthebheartbandbthebvesselsbthatbenterborbleavebeach.
6. Thebheartbisbdividedbintob chambersbbutbfunctionsbasbab -sidedbpump.
a. two;bfour
b. three;btwo
c. four;btwo
d. four;bthree
ANS:b C
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Thebheartbhasbfourbchambers:btwobatriabandbtwobventricles.bThebrightbandbleftbsidesbofbthebheartbar
ebseparatedbbybanbinternalbwallbofbconnectivebtissuebcalledbabseptum.bThebinteratrialbseptumbsepa
ratesbthebrightbandbleftbatria.bThebinterventricularbseptumbseparatesbthebrightbandbleftbventricles.bT
hebseptabseparatebthebheartbintobtwobfunctionalbpumps.bThebrightbatriumbandbrightbventriclebmake
bupbonebpump. bThebleftbatriumbandbleft bventriclebmakebupbthebother.
OBJ:b b Identifybandbdescribebthebchambersbofbthebheartbandbthebvesselsbthatbenterborbleavebeach.
7. Stimulationbofbalpha-adrenergicbreceptorsbresultsbinb .
a. increasedbheartbrate
b. peripheralbvasoconstriction
c. constrictionbofbbronchialbsmoothbmuscle
d. increasedbforcebofbmyocardialbcontraction
ANS:b B
Alpha1breceptorsbarebfoundbinbthebeyes,bbloodbvessels,bbladder,bandbmalebreproductiveborgans.bStimula
tionbofbalpha1breceptorbsitesbresultsbinbconstriction.
OBJ:b b Comparebandbcontrastbthebeffectsbofbsympatheticbandbparasympatheticbstimulationbofbthebheart.
8. Whichbsidebofbthebheartbisbablow-pressurebsystembthatbpumpsbvenousbbloodbtobtheblungs?
a. Left
b. Right
ANS:b B
Thebjobbofbthebrightbsidebofbthebheartbisbtobpumpbunoxygenatedbbloodbtobandbthroughbtheblungsbtob
thebleftbsidebofbthebheart.bThisbisbcalledbthebpulmonarybcirculation.bThebrightbsidebofbthebheartbisbab
low-pressurebsystem.
OBJ:b b Identifybandbdescribebthebchambersbofbthebheartbandbthebvesselsbthatbenterborbleavebeach.
9. Whichbsidebofbthebheartbisbabhigh-
pressurebsystembthatbpumpsbarterialbbloodbtobthebsystemicbcirculation?
a. Left
b. Right
ANS:b A
Thebleftbsidebofbthebheartbisbabhigh-
pressurebpump.bThebjobbofbthebleftbheartbisbtobreceiveboxygenatedbbloodbandbpumpbitboutbtobthebr
estbofbthebbody.bThisbisbcalledbthebsystemicbcirculation.bThebleftbventriclebisbabhigh-
pressurebchamber.bItsbwallbisbmuchbthickerbthanbthebrightbventricleb(thebrightbventriclebisb3btob5b
mmbthick;bthebleftbventriclebisb13btob15bmmbthick).bThisbisbbecausebthebleftbventriclebmustboverc
omebablotbofbpressurebandbresistancebfrombthebarteriesbandbcontractbforcefullybinborderbtobpumpb
bloodboutbtobthebbody.
OBJ:b b Identifybandbdescribebthebchambersbofbthebheartbandbthebvesselsbthatbenterborbleavebeach.
10. Thebthick,bmuscularbmiddleblayerbofbthebheartbwallbthatbcontainsbthebatrialbandbventricularb
musclebfibersbnecessarybforbcontractionbisbtheb .
a.epicardium
b.pericardium
c.myocardium
d.endocardium
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