FUNDAMENTALSbOFbNURSINGb9THbEDITIONbPOTTERbTESTbBANK
PrimebyourselfbforbyourbTestsb–
bStudybQuestions
Chapter 41: Oxygenation
b b
FundamentalsbofbNursing,b9thbEditionbMUL
TIPLEbCHOICE
1. Abnursebisbteachingbstaffbaboutbthebconductionbofbthebheart.bInbwhichborderbwillbthebnursebp
resentbthebconductionbcycle,bstartingbwithbthebfirstbstructure?
1. BundlebofbHis
2. Purkinjebnetwork
3. Intraatrialbpathways
4. Sinoatrialb(SA)bnode
5. Atrioventricularb(AV)bnode
a. 5,b4,b3,b2,b1
b. 4,b3,b5,b1,b2
c. 4,b5,b3,b1,b2 NURSINGTB.COM
d. 5,b3,b4,b2,b1
ANS:bB
ThebconductionbsystemboriginatesbwithbthebSAbnode,btheb“pacemaker”bofbthebheart.bThebelectricalbi
mpulsesbarebtransmittedbthroughbthebatriabalongbintraatrialbpathwaysbtobthebAVbnode.bItbassistsbatria
lbemptyingbbybdelayingbthebimpulsebbeforebtransmittingbitbthroughbthebBundlebofbHisbandbthebventri
cularbPurkinjebnetwork.
2. Abnursebisbteachingbthebpatientbwithbmitralbvalvebproblemsbaboutbthebvalvesbinbthebheart.bSt
artingbonbthebrightbsidebofbthebheart,bdescribebthebsequencebofbthebbloodbflowbthroughbthesebval
ves.
1. Mitral
2. Aortic
3. Tricuspid
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, FUNDAMENTALSbOFbNURSINGb9THbEDITIONbPOTTERbTESTbBANK
PrimebyourselfbforbyourbTestsb–
bStudybQuestions
4.bPulmonic
a. 1,b3,b2,b4
b. 4,b3,b2,b1
c. 3,b4,b1,b2
d. 2,b4,b1,b3
ANS:bC
Thebbloodbflowsbthroughbthebvalvesbinbthebfollowingbdirection:btricuspid,bpulmonic,bmitral,bandbaort
ic.
3.bAbnursebexplainsbthebfunctionbofbthebalveolibtobabpatientbwithbrespiratorybproblems.bWhichbinformatio
nbaboutbthebalveoli’sbfunctionbwillbthebnursebsharebwithbthebpatient?
a. Carriesboutbgasbexchange
b. Regulatesbtidalbvolume
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c. Producesbhemoglobin
d. Storesboxygen
ANS:bA
Thebalveolusbisbabcapillarybmembranebthatballowsbgasbexchangebofboxygenbandbcarbonbdioxidebduri
ngbrespiration.bThebalveolibdobnotbstoreboxygen,bregulatebtidalbvolume,borbproducebhemoglobin.
4. Abnursebauscultatesbheartbsounds.bWhenbthebnursebhearsbS2,bwhichbvalvesbisbthebnursebhearingbc
lose?
a. Aorticbandbmitral
b. Mitralbandbtricuspid
c. Aorticbandbpulmonic
d. Mitralbandbpulmonic
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, FUNDAMENTALSbOFbNURSINGb9THbEDITIONbPOTTERbTESTbBANK
PrimebyourselfbforbyourbTestsb–
bStudybQuestions
ANS:bC
Asbthebventriclesbempty,bthebventricularbpressuresbdecrease,ballowingbclosurebofbthebaorticbandbpul
monicbvalves,bproducingbthebsecondbheartbsound,bS2.bThebmitralbandbtricuspidbproducebthebfirstbhear
tbsound,bS1.bThebaorticbandbmitralbdobnotbclosebatbthebsamebtime.bThebmitralbandbpulmonicbdobnotbcl
osebatbthebsamebtime.
5. Thebnursebisbteachingbaboutbthebprocessbofbexchangingbgasesbthroughbthebalveolarbcapillaryb
membrane.bWhichbtermbwillbthebnursebusebtobdescribebthisbprocess?
a. Ventilation
b. Surfactant
c. Perfusion
d. Diffusion
ANS:bD
Diffusionbisbthebprocessbofbgasesbexchangingbacrossbthebalveolibandbcapillariesbofbbodybtissues.Ventil
ationbisbthebprocessbofbm o v Ni nUgRgSaI Ns eGs Ti Bn .t Co OaMn d boutbofbtheblungs.bSurfactantbisbabchemicalbproduce
dbinbtheblungsbtobmaintainbthebsurfacebtensionbofbthebalveolibandbkeepbthembfrombcollapsing.bPerfusi
onbisbthebabilitybofbthebcardiovascularbsystembtobcarryboxygenatedbbloodbtobtissuesbandbreturnbdeoxy
genatedbbloodbtobthebheart.
6. Abnursebisbcaringbforbabpatientbwhobwasbinbabmotorbvehiclebaccidentbthatbresultedbinbcervicalbtr
aumabtobC4.bWhichbassessmentbisbthebpriority?
a. Pulse
b. Respirations
c. Temperature
d. Bloodbpressure
ANS:bB
Respirationsbandboxygenbsaturationbarebthebpriorities.bCervicalbtraumabatbC3btobC5busuallybresultsbin
bparalysisbofbthebphrenicbnerve. bWhenbthebphrenicbnervebisbdamaged,bthebdiaphragmbdoesbnotbdesce
ndbproperly,bthusbreducingbinspiratoryblungbvolumesbandbcausingbhypoxemia.bWhilebpulse
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, FUNDAMENTALSbOFbNURSINGb9THbEDITIONbPOTTERbTESTbBANK
PrimebyourselfbforbyourbTestsb–
bStudybQuestions
andbbloodbpressurebarebimportant,brespirationsbarebthebpriority.bTemperaturebisbnotbabhighbprioritybin
bthisbsituation.
7. Thebpatientbisbbreathingbnormally.bWhichbprocessbdoesbthebnursebconsiderbisbworkingbproperlyb
whenbthebpatientbinspires?
a. Stimulationbofbchemicalbreceptorsbinbthebaorta
b. Reductionbofbarterialboxygenbsaturationblevels
c. Requirementbofbelasticbrecoilblungbproperties
d. Enhancementbofbaccessorybmusclebusage
ANS:bA
Inspirationbisbanbactivebprocess,bstimulatedbbybchemicalbreceptorsbinbthebaorta.bReducedbarterialbox
ygenbsaturationblevelsbindicatebhypoxemia,banbabnormalbfinding.bExpirationbisbabpassivebprocessbth
atbdependsbonbthebelasticbrecoilbpropertiesbofbtheblungs,brequiringblittleborbnobmusclebwork.bProlong
edbusebofbthebaccessorybmusclesbdoesbnotbpromotebeffectivebventilationbandbcausesbfatigue.
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8. Thebhomebhealthbnursebrecommendsbthatbabpatientbwithbrespiratorybproblemsbinstallbabcarbonb
monoxidebdetectorbinbthebhome.bWhatbisbthebrationalebforbthebnurse’sbaction?
a. Carbonbmonoxidebdetectorsbarebrequiredbbyblawbinbthebhome.
b. Carbonbmonoxidebtightlybbindsbtobhemoglobin,bcausingbhypoxia.
c. Carbonbmonoxidebsignalsbthebcerebralbcortexbtobceasebventilations.
d. Carbonbmonoxidebcombinesbwithboxygenbinbthebbodybandbproducesbabdeadlybtoxin.
ANS:bB
Carbonbmonoxidebbindsbtightlybtobhemoglobin;btherefore,boxygenbisbnotbablebtobbindbtobhemoglobi
nbandbbebtransportedbtobtissues,bcausingbhypoxia.bAbcarbonbmonoxidebdetectorbisbnotbrequiredbbybla
w,bdoesbnotbsignalbthebcerebralbcortexbtobceasebventilations,bandbdoesbnotbcombinebwithboxygenbbutb
withbhemoglobinbtobproducebabtoxin.
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PrimebyourselfbforbyourbTestsb–
bStudybQuestions
Chapter 41: Oxygenation
b b
FundamentalsbofbNursing,b9thbEditionbMUL
TIPLEbCHOICE
1. Abnursebisbteachingbstaffbaboutbthebconductionbofbthebheart.bInbwhichborderbwillbthebnursebp
resentbthebconductionbcycle,bstartingbwithbthebfirstbstructure?
1. BundlebofbHis
2. Purkinjebnetwork
3. Intraatrialbpathways
4. Sinoatrialb(SA)bnode
5. Atrioventricularb(AV)bnode
a. 5,b4,b3,b2,b1
b. 4,b3,b5,b1,b2
c. 4,b5,b3,b1,b2 NURSINGTB.COM
d. 5,b3,b4,b2,b1
ANS:bB
ThebconductionbsystemboriginatesbwithbthebSAbnode,btheb“pacemaker”bofbthebheart.bThebelectricalbi
mpulsesbarebtransmittedbthroughbthebatriabalongbintraatrialbpathwaysbtobthebAVbnode.bItbassistsbatria
lbemptyingbbybdelayingbthebimpulsebbeforebtransmittingbitbthroughbthebBundlebofbHisbandbthebventri
cularbPurkinjebnetwork.
2. Abnursebisbteachingbthebpatientbwithbmitralbvalvebproblemsbaboutbthebvalvesbinbthebheart.bSt
artingbonbthebrightbsidebofbthebheart,bdescribebthebsequencebofbthebbloodbflowbthroughbthesebval
ves.
1. Mitral
2. Aortic
3. Tricuspid
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, FUNDAMENTALSbOFbNURSINGb9THbEDITIONbPOTTERbTESTbBANK
PrimebyourselfbforbyourbTestsb–
bStudybQuestions
4.bPulmonic
a. 1,b3,b2,b4
b. 4,b3,b2,b1
c. 3,b4,b1,b2
d. 2,b4,b1,b3
ANS:bC
Thebbloodbflowsbthroughbthebvalvesbinbthebfollowingbdirection:btricuspid,bpulmonic,bmitral,bandbaort
ic.
3.bAbnursebexplainsbthebfunctionbofbthebalveolibtobabpatientbwithbrespiratorybproblems.bWhichbinformatio
nbaboutbthebalveoli’sbfunctionbwillbthebnursebsharebwithbthebpatient?
a. Carriesboutbgasbexchange
b. Regulatesbtidalbvolume
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c. Producesbhemoglobin
d. Storesboxygen
ANS:bA
Thebalveolusbisbabcapillarybmembranebthatballowsbgasbexchangebofboxygenbandbcarbonbdioxidebduri
ngbrespiration.bThebalveolibdobnotbstoreboxygen,bregulatebtidalbvolume,borbproducebhemoglobin.
4. Abnursebauscultatesbheartbsounds.bWhenbthebnursebhearsbS2,bwhichbvalvesbisbthebnursebhearingbc
lose?
a. Aorticbandbmitral
b. Mitralbandbtricuspid
c. Aorticbandbpulmonic
d. Mitralbandbpulmonic
NURSINGTB.COM
, FUNDAMENTALSbOFbNURSINGb9THbEDITIONbPOTTERbTESTbBANK
PrimebyourselfbforbyourbTestsb–
bStudybQuestions
ANS:bC
Asbthebventriclesbempty,bthebventricularbpressuresbdecrease,ballowingbclosurebofbthebaorticbandbpul
monicbvalves,bproducingbthebsecondbheartbsound,bS2.bThebmitralbandbtricuspidbproducebthebfirstbhear
tbsound,bS1.bThebaorticbandbmitralbdobnotbclosebatbthebsamebtime.bThebmitralbandbpulmonicbdobnotbcl
osebatbthebsamebtime.
5. Thebnursebisbteachingbaboutbthebprocessbofbexchangingbgasesbthroughbthebalveolarbcapillaryb
membrane.bWhichbtermbwillbthebnursebusebtobdescribebthisbprocess?
a. Ventilation
b. Surfactant
c. Perfusion
d. Diffusion
ANS:bD
Diffusionbisbthebprocessbofbgasesbexchangingbacrossbthebalveolibandbcapillariesbofbbodybtissues.Ventil
ationbisbthebprocessbofbm o v Ni nUgRgSaI Ns eGs Ti Bn .t Co OaMn d boutbofbtheblungs.bSurfactantbisbabchemicalbproduce
dbinbtheblungsbtobmaintainbthebsurfacebtensionbofbthebalveolibandbkeepbthembfrombcollapsing.bPerfusi
onbisbthebabilitybofbthebcardiovascularbsystembtobcarryboxygenatedbbloodbtobtissuesbandbreturnbdeoxy
genatedbbloodbtobthebheart.
6. Abnursebisbcaringbforbabpatientbwhobwasbinbabmotorbvehiclebaccidentbthatbresultedbinbcervicalbtr
aumabtobC4.bWhichbassessmentbisbthebpriority?
a. Pulse
b. Respirations
c. Temperature
d. Bloodbpressure
ANS:bB
Respirationsbandboxygenbsaturationbarebthebpriorities.bCervicalbtraumabatbC3btobC5busuallybresultsbin
bparalysisbofbthebphrenicbnerve. bWhenbthebphrenicbnervebisbdamaged,bthebdiaphragmbdoesbnotbdesce
ndbproperly,bthusbreducingbinspiratoryblungbvolumesbandbcausingbhypoxemia.bWhilebpulse
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, FUNDAMENTALSbOFbNURSINGb9THbEDITIONbPOTTERbTESTbBANK
PrimebyourselfbforbyourbTestsb–
bStudybQuestions
andbbloodbpressurebarebimportant,brespirationsbarebthebpriority.bTemperaturebisbnotbabhighbprioritybin
bthisbsituation.
7. Thebpatientbisbbreathingbnormally.bWhichbprocessbdoesbthebnursebconsiderbisbworkingbproperlyb
whenbthebpatientbinspires?
a. Stimulationbofbchemicalbreceptorsbinbthebaorta
b. Reductionbofbarterialboxygenbsaturationblevels
c. Requirementbofbelasticbrecoilblungbproperties
d. Enhancementbofbaccessorybmusclebusage
ANS:bA
Inspirationbisbanbactivebprocess,bstimulatedbbybchemicalbreceptorsbinbthebaorta.bReducedbarterialbox
ygenbsaturationblevelsbindicatebhypoxemia,banbabnormalbfinding.bExpirationbisbabpassivebprocessbth
atbdependsbonbthebelasticbrecoilbpropertiesbofbtheblungs,brequiringblittleborbnobmusclebwork.bProlong
edbusebofbthebaccessorybmusclesbdoesbnotbpromotebeffectivebventilationbandbcausesbfatigue.
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8. Thebhomebhealthbnursebrecommendsbthatbabpatientbwithbrespiratorybproblemsbinstallbabcarbonb
monoxidebdetectorbinbthebhome.bWhatbisbthebrationalebforbthebnurse’sbaction?
a. Carbonbmonoxidebdetectorsbarebrequiredbbyblawbinbthebhome.
b. Carbonbmonoxidebtightlybbindsbtobhemoglobin,bcausingbhypoxia.
c. Carbonbmonoxidebsignalsbthebcerebralbcortexbtobceasebventilations.
d. Carbonbmonoxidebcombinesbwithboxygenbinbthebbodybandbproducesbabdeadlybtoxin.
ANS:bB
Carbonbmonoxidebbindsbtightlybtobhemoglobin;btherefore,boxygenbisbnotbablebtobbindbtobhemoglobi
nbandbbebtransportedbtobtissues,bcausingbhypoxia.bAbcarbonbmonoxidebdetectorbisbnotbrequiredbbybla
w,bdoesbnotbsignalbthebcerebralbcortexbtobceasebventilations,bandbdoesbnotbcombinebwithboxygenbbutb
withbhemoglobinbtobproducebabtoxin.
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