12 Lead ECG in Acute Coronary Syndromes 3rd Edition Phalen Test Bank.docx

TEST BANK g




ECGs MADE EASY
g g




6TH EDITION | AEHLERT
g g g




TEST BANK g

,ECGsgMadegEasyg6thgEditiongbygBarbaragAehlertgTestgBankg TablegofgCo
ntents:

Chapterg1.gAnatomyg&gPhysiology


Chapterg2.gBasicgElectrophysiology


Chapterg3.gSinusgMechanisms


Chapterg4.gAtrialgRhythms


Chapterg5.gJunctionalgRhythms


Chapterg6.gVentriculargRhythms


Chapterg7.gAtrioventriculargBlocks


Chapterg8.gPacemakergRhythms


Chapterg9.gIntroductiongtogtheg12-LeadgECG


Chapterg10.gPost-Test

,Chapterg01:gAnatomygandgPhysiologyg Aehle
rt:gECGsgMadegEasy,g6thgEdition


MULTIPLEgCHOICE

1. Thegapexgofgthegheartgisgformedgbygthe .
a.
tipgofgthegleftgventricle
b.
tipgofgthegrightgatrium
c.
rightgatriumgandgrightgventricle
d.
leftgatriumgandgleftgventricle
ANS:g A
Thegheart’sgapex,gorglowergportion,gisgformedgbygthegtipgofgthegleftgventricle.gThegapexgliesgjustg abovegthe
gdiaphragm,gbetweengthegfifthgandgsixthgribs,gingthegmidclaviculargline.


OBJ:gg Identifygthegsurfacesgofgthegheart.

2. Thegleftgatriumgreceivesgbloodgfromgthe .
a.
pulmonarygveins
b.
aorta
c.
pulmonarygarteries
d.
inferiorgvenagcava
ANS:g A
Thegleftgatriumgreceivesgfreshlygoxygenatedgbloodgfromgtheglungsgviagthegrightgandgleftg pulmonarygveins
.
OBJ:gg Identifygandgdescribegthegchambersgofgthegheartgandgthegvesselsgthatgentergorgleavegeach.

3. Theganteriorgsurfacegofgthegheartgconsistsgprimarilygofgthe .
a.
leftgatrium
b.
rightgatrium
c.
leftgventricle
d.
rightgventricle
ANS:g D
Thegfrontg(anterior)gsurfacegofgthegheartgliesgbehindgthegsternumgandgcostalgcartilages.gItgisg formedgbygp
ortionsgofgthegrightgatriumgandgthegleftgandgrightgventricles.gHowever,gbecausegtheg heartgisgtiltedgslightlyg
towardgthegleftgingthegchest,gthegrightgventriclegisgthegareagofgthegheartgthatg liesgmostgdirectlygbehindgtheg
sternum.
OBJ:gg Identifygthegsurfacesgofgthegheart.

4. Bloodgpressuregisgdeterminedgby multipliedgby .
a.
strokegvolume;gheartgrate
b.
heartgrate;gcardiacgoutput
c.
cardiacgoutput;gperipheralgvasculargresistance
d.
strokegvolume;gperipheralgvasculargresistance
ANS:g C
Bloodgpressuregisgequalgtogcardiacgoutputgmultipliedgbygperipheralgvasculargresistance.

, OBJ:gg Identifygandgexplaingthegcomponentsgofgbloodgpressuregandgcardiacgoutput.

5. Thegrightgatriumgreceivesgvenousgbloodgfromgtheghead,gneck,gandgthoraxgviagthe ,gfromg thegremaind
ergofgthegbodygviagthe ,gandgfromgthegheartgviagthe .
a.
coronarygsinus;gsuperiorgvenagcava;ginferiorgvenagcava
b.
superiorgvenagcava;gcoronarygsinus;ginferiorgvenagcava
c.
inferiorgvenagcava;gsuperiorgvenagcava;gcoronarygsinus
d.
superiorgvenagcava;ginferiorgvenagcava;gcoronarygsinus
ANS:g D
Thegrightgatriumgreceivesgbloodglowgingoxygengfromgthegsuperiorgvenagcava,gwhichgcarriesg bloodgfro
mgthegheadgandguppergextremities;gtheginferiorgvenagcava,gwhichgcarriesgbloodgfromg theglowergbody;g
andgthegcoronarygsinus,gwhichgisgtheglargestgveingthatgdrainsgthegheart.
OBJ:gg Identifygandgdescribegthegchambersgofgthegheartgandgthegvesselsgthatgentergorgleavegeach.

6. Thegheartgisgdividedginto chambersgbutgfunctionsgasga -sidedgpump.
a.
two;gfour
b.
three;gtwo
c.
four;gtwo
d.
four;gthree
ANS:g C
Thegheartghasgfourgchambers:gtwogatriagandgtwogventricles.gThegrightgandgleftgsidesgofgthegheartg aregse
paratedgbyganginternalgwallgofgconnectivegtissuegcalledgagseptum.gTheginteratrialgseptumg separatesgtheg
rightgandgleftgatria.gTheginterventriculargseptumgseparatesgthegrightgandgleftg ventricles.gThegseptagsepar
ategthegheartgintogtwogfunctionalgpumps.gThegrightgatriumgandgrightg ventriclegmakegupgonegpump.gThegl
eftgatriumgandgleftgventriclegmakegupgthegother.
OBJ:gg Identifygandgdescribegthegchambersgofgthegheartgandgthegvesselsgthatgentergorgleavegeach.

7. Stimulationgofgalpha1greceptorsgresultsgin .
a.
increasedgheartgrate
b.
peripheralgvasoconstriction
c.
constrictiongofgbronchialgsmoothgmuscle
d.
increasedgforcegofgmyocardialgcontraction
ANS:g B
Alpha1greceptorsgaregfoundgingthegeyes,gbloodgvessels,gbladder,gandgmalegreproductivegorgans.g Stimul
ationgofgalpha1greceptorgsitesgresultsgingconstriction.
OBJ:gg Comparegandgcontrastgthegeffectsgofgsympatheticgandgparasympatheticgstimulationgofgthegheart.

8. Whichgsidegofgthegheartgisgaglow-pressuregsystemgthatgpumpsgvenousgbloodgtogtheglungs?
a.
Left
b.
Right
ANS:g B
Thegjobgofgthegrightgsidegofgthegheartgisgtogpumpgunoxygenatedgbloodgtogandgthroughgtheglungsg togthegl
eftgsidegofgthegheart.gThisgisgcalledgthegpulmonarygcirculation.gThegrightgsidegofgthegheartg isgaglow-
pressuregsystem.