, FUNDAMENTALSbOFbNURSINGb9THbEDITIONbPOTTERbTESTbBAN
K
PrimebyourselfbforbyourbTestsb–
bStudybQuestions
Chapterb41:bOxygenation
FundamentalsbofbNursing,b9thbEditionbMU
LTIPLEbCHOICE
1. Abnursebisbteachingbstaffbaboutbthebconductionbofbthebheart.bInbwhichborderbwillbthebnur
sebpresentbthebconductionbcycle,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.bThebelectrica
lbimpulsesbarebtransmittedbthroughbthebatriabalongbintraatrialbpathwaysbtobthebAVbnode.bItbassists
batrialbemptyingbbybdelayingbthebimpulsebbeforebtransmittingbitbthroughbthebBundlebofbHisbandbt
hebventricularbPurkinjebnetwork.
2. Abnursebisbteachingbthebpatientbwithbmitralbvalvebproblemsbaboutbthebvalvesbinbthebheart.
bStartingbonbthebrightbsidebofbthebheart,bdescribebthebsequencebofbthebbloodbflowbthroughbthe
sebvalves.
1. Mitral
2. Aortic
3. Tricuspid
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K
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,bandba
ortic.
3.bAbnursebexplainsbthebfunctionbofbthebalveolibtobabpatientbwithbrespiratorybproblems.bWhichbinfo
rmationbaboutbthebalveoli’sbfunctionbwillbthebnursebsharebwithbthebpatient?
a. Carriesboutbgasbexchang
e
b. Regulatesbtidalbvolume NURSINGTB.COM
c. Producesbhemoglobin
d. Storesboxygen
ANS:bA
Thebalveolusbisbabcapillarybmembranebthatballowsbgasbexchangebofboxygenbandbcarbonbdioxideb
duringbrespiration.bThebalveolibdobnotbstoreboxygen,bregulatebtidalbvolume,borbproducebhemoglo
bin.
4. Abnursebauscultatesbheartbsounds.bWhenbthebnursebhearsbS2,bwhichbvalvesbisbthebnursebhearin
gbclose?
a. Aorticbandbmitral
b. Mitralbandbtricuspid
c. Aorticbandbpulmonic
d. Mitralbandbpulmonic
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, FUNDAMENTALSbOFbNURSINGb9THbEDITIONbPOTTERbTESTbBAN
K
PrimebyourselfbforbyourbTestsb–
bStudybQuestions
ANS:bC
Asbthebventriclesbempty,bthebventricularbpressuresbdecrease,ballowingbclosurebofbthebaorticbandbp
ulmonicbvalves,bproducingbthebsecondbheartbsound,bS2.bThebmitralbandbtricuspidbproducebthebfirst
bheartbsound,bS1.bThebaorticbandbmitralbdobnotbclosebatbthebsamebtime.bThebmitralbandbpulmonicb
dobnotbclosebatbthebsamebtime.
5. Thebnursebisbteachingbaboutbthebprocessbofbexchangingbgasesbthroughbthebalveolarbcapillar
ybmembrane.bWhichbtermbwillbthebnursebusebtobdescribebthisbprocess?
a. Ventilation
b. Surfactant
c. Perfusion
d. Diffusion
ANS:bD
Diffusionbisbthebprocessbofbgasesbexchangingbacrossbthebalveolibandbcapillariesbofbbodybtissues.Ve
ntilationbisbthebprocessbofbm o v Ni nUgRgSaI Ns eGs Ti Bn .t Co OaMn d boutbofbtheblungs.bSurfactantbisbabchemicalbpr
oducedbinbtheblungsbtobmaintainbthebsurfacebtensionbofbthebalveolibandbkeepbthembfrombcollapsing
.bPerfusionbisbthebabilitybofbthebcardiovascularbsystembtobcarryboxygenatedbbloodbtobtissuesbandbr
eturnbdeoxygenatedbbloodbtobthebheart.
6. Abnursebisbcaringbforbabpatientbwhobwasbinbabmotorbvehiclebaccidentbthatbresultedbinbcervic
albtraumabtobC4.bWhichbassessmentbisbthebpriority?
a. Pulse
b. Respirations
c. Temperature
d. Bloodbpressure
ANS:bB
Respirationsbandboxygenbsaturationbarebthebpriorities.bCervicalbtraumabatbC3btobC5busuallybresult
sbinbparalysisbofbthebphrenicbnerve.bWhenbthebphrenicbnervebisbdamaged,bthebdiaphragmbdoesbnot
bdescendbproperly,bthusbreducingbinspiratoryblungbvolumesbandbcausingbhypoxemia.bWhilebpulse
NURSINGTB.COM
K
PrimebyourselfbforbyourbTestsb–
bStudybQuestions
Chapterb41:bOxygenation
FundamentalsbofbNursing,b9thbEditionbMU
LTIPLEbCHOICE
1. Abnursebisbteachingbstaffbaboutbthebconductionbofbthebheart.bInbwhichborderbwillbthebnur
sebpresentbthebconductionbcycle,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.bThebelectrica
lbimpulsesbarebtransmittedbthroughbthebatriabalongbintraatrialbpathwaysbtobthebAVbnode.bItbassists
batrialbemptyingbbybdelayingbthebimpulsebbeforebtransmittingbitbthroughbthebBundlebofbHisbandbt
hebventricularbPurkinjebnetwork.
2. Abnursebisbteachingbthebpatientbwithbmitralbvalvebproblemsbaboutbthebvalvesbinbthebheart.
bStartingbonbthebrightbsidebofbthebheart,bdescribebthebsequencebofbthebbloodbflowbthroughbthe
sebvalves.
1. Mitral
2. Aortic
3. Tricuspid
NURSINGTB.COM
, FUNDAMENTALSbOFbNURSINGb9THbEDITIONbPOTTERbTESTbBAN
K
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,bandba
ortic.
3.bAbnursebexplainsbthebfunctionbofbthebalveolibtobabpatientbwithbrespiratorybproblems.bWhichbinfo
rmationbaboutbthebalveoli’sbfunctionbwillbthebnursebsharebwithbthebpatient?
a. Carriesboutbgasbexchang
e
b. Regulatesbtidalbvolume NURSINGTB.COM
c. Producesbhemoglobin
d. Storesboxygen
ANS:bA
Thebalveolusbisbabcapillarybmembranebthatballowsbgasbexchangebofboxygenbandbcarbonbdioxideb
duringbrespiration.bThebalveolibdobnotbstoreboxygen,bregulatebtidalbvolume,borbproducebhemoglo
bin.
4. Abnursebauscultatesbheartbsounds.bWhenbthebnursebhearsbS2,bwhichbvalvesbisbthebnursebhearin
gbclose?
a. Aorticbandbmitral
b. Mitralbandbtricuspid
c. Aorticbandbpulmonic
d. Mitralbandbpulmonic
NURSINGTB.COM
, FUNDAMENTALSbOFbNURSINGb9THbEDITIONbPOTTERbTESTbBAN
K
PrimebyourselfbforbyourbTestsb–
bStudybQuestions
ANS:bC
Asbthebventriclesbempty,bthebventricularbpressuresbdecrease,ballowingbclosurebofbthebaorticbandbp
ulmonicbvalves,bproducingbthebsecondbheartbsound,bS2.bThebmitralbandbtricuspidbproducebthebfirst
bheartbsound,bS1.bThebaorticbandbmitralbdobnotbclosebatbthebsamebtime.bThebmitralbandbpulmonicb
dobnotbclosebatbthebsamebtime.
5. Thebnursebisbteachingbaboutbthebprocessbofbexchangingbgasesbthroughbthebalveolarbcapillar
ybmembrane.bWhichbtermbwillbthebnursebusebtobdescribebthisbprocess?
a. Ventilation
b. Surfactant
c. Perfusion
d. Diffusion
ANS:bD
Diffusionbisbthebprocessbofbgasesbexchangingbacrossbthebalveolibandbcapillariesbofbbodybtissues.Ve
ntilationbisbthebprocessbofbm o v Ni nUgRgSaI Ns eGs Ti Bn .t Co OaMn d boutbofbtheblungs.bSurfactantbisbabchemicalbpr
oducedbinbtheblungsbtobmaintainbthebsurfacebtensionbofbthebalveolibandbkeepbthembfrombcollapsing
.bPerfusionbisbthebabilitybofbthebcardiovascularbsystembtobcarryboxygenatedbbloodbtobtissuesbandbr
eturnbdeoxygenatedbbloodbtobthebheart.
6. Abnursebisbcaringbforbabpatientbwhobwasbinbabmotorbvehiclebaccidentbthatbresultedbinbcervic
albtraumabtobC4.bWhichbassessmentbisbthebpriority?
a. Pulse
b. Respirations
c. Temperature
d. Bloodbpressure
ANS:bB
Respirationsbandboxygenbsaturationbarebthebpriorities.bCervicalbtraumabatbC3btobC5busuallybresult
sbinbparalysisbofbthebphrenicbnerve.bWhenbthebphrenicbnervebisbdamaged,bthebdiaphragmbdoesbnot
bdescendbproperly,bthusbreducingbinspiratoryblungbvolumesbandbcausingbhypoxemia.bWhilebpulse
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