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Chapter 41: Oxygenation
p p
FundamentalspofpNursing,p9thpEditionpMUL
TIPLEpCHOICE
1. Apnursepispteachingpstaffpaboutpthepconductionpofpthepheart.pInpwhichporderpwillpthepnursepp
resentpthepconductionpcycle,pstartingpwithpthepfirstpstructure?
1. BundlepofpHis
2. Purkinjepnetwork
3. Intraatrialppathways
4. Sinoatrialp(SA)pnode
5. Atrioventricularp(AV)pnode
a. 5,p4,p3,p2,p1
b. 4,p3,p5,p1,p2
c. 4,p5,p3,p1,p2 NURSINGTB.COM
d. 5,p3,p4,p2,p1
ANS:pB
ThepconductionpsystemporiginatespwithpthepSApnode,pthep“pacemaker”pofpthepheart.pThepelectricalpi
mpulsespareptransmittedpthroughpthepatriapalongpintraatrialppathwaysptopthepAVpnode.pItpassistspatria
lpemptyingpbypdelayingpthepimpulsepbeforeptransmittingpitpthroughpthepBundlepofpHispandpthepventri
cularpPurkinjepnetwork.
2. Apnursepispteachingptheppatientpwithpmitralpvalvepproblemspaboutpthepvalvespinpthepheart.pSt
artingponptheprightpsidepofpthepheart,pdescribepthepsequencepofpthepbloodpflowpthroughpthesepval
ves.
1. Mitral
2. Aortic
3. Tricuspid
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4.pPulmonic
a. 1,p3,p2,p4
b. 4,p3,p2,p1
c. 3,p4,p1,p2
d. 2,p4,p1,p3
ANS:pC
Thepbloodpflowspthroughpthepvalvespinpthepfollowingpdirection:ptricuspid,ppulmonic,pmitral,pandpaorti
c.
3.pApnursepexplainspthepfunctionpofpthepalveoliptopappatientpwithprespiratorypproblems.pWhichpinform
ationpaboutpthepalveoli’spfunctionpwillpthepnursepsharepwithptheppatient?
a. Carriespoutpgaspexchange
b. Regulatesptidalpvolume
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c. Producesphemoglobin
d. Storespoxygen
ANS:pA
Thepalveoluspispapcapillarypmembranepthatpallowspgaspexchangepofpoxygenpandpcarbonpdioxidepduri
ngprespiration.pThepalveolipdopnotpstorepoxygen,pregulateptidalpvolume,porpproducephemoglobin.
4. Apnursepauscultatespheartpsounds.pWhenpthepnursephearspS2,pwhichpvalvespispthepnursephearingpc
lose?
a. Aorticpandpmitral
b. Mitralpandptricuspid
c. Aorticpandppulmonic
d. Mitralpandppulmonic
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ANS:pC
Aspthepventriclespempty,pthepventricularppressurespdecrease,pallowingpclosurepofpthepaorticpandppul
monicpvalves,pproducingpthepsecondpheartpsound,pS2.pThepmitralpandptricuspidpproducepthepfirstphear
tpsound,pS1.pThepaorticpandpmitralpdopnotpclosepatpthepsameptime.pThepmitralpandppulmonicpdopnotpclo
sepatpthepsameptime.
5. Thepnursepispteachingpaboutpthepprocesspofpexchangingpgasespthroughpthepalveolarpcapillaryp
membrane.pWhichptermpwillpthepnursepuseptopdescribepthispprocess?
a. Ventilation
b. Surfactant
c. Perfusion
d. Diffusion
ANS:pD
Diffusionpispthepprocesspofpgasespexchangingpacrosspthepalveolipandpcapillariespofpbodyptissues.Ventila
tionpispthepprocesspofpm o v Ni nUgRgSaI Ns eGs Ti Bn .t Co OaMn d poutpofptheplungs.pSurfactantpispapchemicalpproduced
pinptheplungsptopmaintainpthepsurfaceptensionpofpthepalveolipandpkeeppthempfrompcollapsing.pPerfusion
pispthepabilitypofpthepcardiovascularpsystemptopcarrypoxygenatedpbloodptoptissuespandpreturnpdeoxyge
natedpbloodptopthepheart.
6. Apnursepispcaringpforpappatientpwhopwaspinpapmotorpvehiclepaccidentpthatpresultedpinpcervicalptr
aumaptopC4.pWhichpassessmentpisptheppriority?
a. Pulse
b. Respirations
c. Temperature
d. Bloodppressure
ANS:pB
Respirationspandpoxygenpsaturationpareptheppriorities.pCervicalptraumapatpC3ptopC5pusuallypresultspin
pparalysispofpthepphrenicpnerve.pWhenpthepphrenicpnervepispdamaged,pthepdiaphragmpdoespnotpdesce
ndpproperly,pthuspreducingpinspiratoryplungpvolumespandpcausingphypoxemia.pWhileppulse
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Chapter 41: Oxygenation
p p
FundamentalspofpNursing,p9thpEditionpMUL
TIPLEpCHOICE
1. Apnursepispteachingpstaffpaboutpthepconductionpofpthepheart.pInpwhichporderpwillpthepnursepp
resentpthepconductionpcycle,pstartingpwithpthepfirstpstructure?
1. BundlepofpHis
2. Purkinjepnetwork
3. Intraatrialppathways
4. Sinoatrialp(SA)pnode
5. Atrioventricularp(AV)pnode
a. 5,p4,p3,p2,p1
b. 4,p3,p5,p1,p2
c. 4,p5,p3,p1,p2 NURSINGTB.COM
d. 5,p3,p4,p2,p1
ANS:pB
ThepconductionpsystemporiginatespwithpthepSApnode,pthep“pacemaker”pofpthepheart.pThepelectricalpi
mpulsespareptransmittedpthroughpthepatriapalongpintraatrialppathwaysptopthepAVpnode.pItpassistspatria
lpemptyingpbypdelayingpthepimpulsepbeforeptransmittingpitpthroughpthepBundlepofpHispandpthepventri
cularpPurkinjepnetwork.
2. Apnursepispteachingptheppatientpwithpmitralpvalvepproblemspaboutpthepvalvespinpthepheart.pSt
artingponptheprightpsidepofpthepheart,pdescribepthepsequencepofpthepbloodpflowpthroughpthesepval
ves.
1. Mitral
2. Aortic
3. Tricuspid
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4.pPulmonic
a. 1,p3,p2,p4
b. 4,p3,p2,p1
c. 3,p4,p1,p2
d. 2,p4,p1,p3
ANS:pC
Thepbloodpflowspthroughpthepvalvespinpthepfollowingpdirection:ptricuspid,ppulmonic,pmitral,pandpaorti
c.
3.pApnursepexplainspthepfunctionpofpthepalveoliptopappatientpwithprespiratorypproblems.pWhichpinform
ationpaboutpthepalveoli’spfunctionpwillpthepnursepsharepwithptheppatient?
a. Carriespoutpgaspexchange
b. Regulatesptidalpvolume
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c. Producesphemoglobin
d. Storespoxygen
ANS:pA
Thepalveoluspispapcapillarypmembranepthatpallowspgaspexchangepofpoxygenpandpcarbonpdioxidepduri
ngprespiration.pThepalveolipdopnotpstorepoxygen,pregulateptidalpvolume,porpproducephemoglobin.
4. Apnursepauscultatespheartpsounds.pWhenpthepnursephearspS2,pwhichpvalvespispthepnursephearingpc
lose?
a. Aorticpandpmitral
b. Mitralpandptricuspid
c. Aorticpandppulmonic
d. Mitralpandppulmonic
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ANS:pC
Aspthepventriclespempty,pthepventricularppressurespdecrease,pallowingpclosurepofpthepaorticpandppul
monicpvalves,pproducingpthepsecondpheartpsound,pS2.pThepmitralpandptricuspidpproducepthepfirstphear
tpsound,pS1.pThepaorticpandpmitralpdopnotpclosepatpthepsameptime.pThepmitralpandppulmonicpdopnotpclo
sepatpthepsameptime.
5. Thepnursepispteachingpaboutpthepprocesspofpexchangingpgasespthroughpthepalveolarpcapillaryp
membrane.pWhichptermpwillpthepnursepuseptopdescribepthispprocess?
a. Ventilation
b. Surfactant
c. Perfusion
d. Diffusion
ANS:pD
Diffusionpispthepprocesspofpgasespexchangingpacrosspthepalveolipandpcapillariespofpbodyptissues.Ventila
tionpispthepprocesspofpm o v Ni nUgRgSaI Ns eGs Ti Bn .t Co OaMn d poutpofptheplungs.pSurfactantpispapchemicalpproduced
pinptheplungsptopmaintainpthepsurfaceptensionpofpthepalveolipandpkeeppthempfrompcollapsing.pPerfusion
pispthepabilitypofpthepcardiovascularpsystemptopcarrypoxygenatedpbloodptoptissuespandpreturnpdeoxyge
natedpbloodptopthepheart.
6. Apnursepispcaringpforpappatientpwhopwaspinpapmotorpvehiclepaccidentpthatpresultedpinpcervicalptr
aumaptopC4.pWhichpassessmentpisptheppriority?
a. Pulse
b. Respirations
c. Temperature
d. Bloodppressure
ANS:pB
Respirationspandpoxygenpsaturationpareptheppriorities.pCervicalptraumapatpC3ptopC5pusuallypresultspin
pparalysispofpthepphrenicpnerve.pWhenpthepphrenicpnervepispdamaged,pthepdiaphragmpdoespnotpdesce
ndpproperly,pthuspreducingpinspiratoryplungpvolumespandpcausingphypoxemia.pWhileppulse
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