Test Bank for Fundamentals of Nursing 9th Edition (2025) comprehensive questions and verified answers ( detailed & elaborated) ACTUAL EXAM 2025 TEST!!

1




FundamentalsnOfnNursingn9thnEditionnPotternTestnBank
Chapter 41: Oxygenation
n n




FundamentalsnofnNursing,n9thnEditionn

MULTIPLEnCHOICE

1.nAnnursenisnteachingnstaffnaboutnthenconductionnofnthenheart.nInnwhichnordernwillnthennursenp
resentnthenconductionncycle,nstartingnwithnthenfirstnstructure?

1. BundlenofnHis

2. Purkinjennetwork

3. Intraatrialnpathways

4. Sinoatrialn(SA)nnode

5. Atrioventricularn(AV)nnode
a. 5,n4,n3,n2,n1

b. 4,n3,n5,n1,n2

c. 4,n5,n3,n1,n2 NURSINGTB.COM

d. 5,n3,n4,n2,n1

ANS:nB

ThenconductionnsystemnoriginatesnwithnthenSAnnode,nthen“pacemaker”nofnthenheart.nThenelectricalni
mpulsesnarentransmittednthroughnthenatrianalongnintraatrialnpathwaysntonthenAVnnode.nItnassists




Pagen1nofn788

, FUNDAMENTALSnOFnNURSINGn9THnEDITIONnPOTTERnTESTnBANK

PrimenyourselfnfornyournTestsn–nStudynQuestions


atrialnemptyingnbyndelayingnthenimpulsenbeforentransmittingnitnthroughnthenBundlenofnHisnandnthenv
entricularnPurkinjennetwork.



2. Annursenisnteachingnthenpatientnwithnmitralnvalvenproblemsnaboutnthenvalvesninnthenheart.nSt
artingnonnthenrightnsidenofnthenheart,ndescribenthensequencenofnthenbloodnflownthroughnthesenval
ves.

1. Mitral

2. Aortic

3. Tricuspid

4. Pulmonic

a. 1,n3,n2,n4
b. 4,n3,n2,n1
c. 3,n4,n1,n2
d. 2,n4,n1,n3

ANS:nC




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,3




FundamentalsnOfnNursingn9thnEditionnPotternTestnBank
Thenbloodnflowsnthroughnthenvalvesninnthenfollowingndirection:ntricuspid,npulmonic,nmitral,nandna
ortic.



3. Annursenexplainsnthenfunctionnofnthenalveolintonanpatientnwithnrespiratorynproblems.nWhichni
nformationnaboutnthenalveoli’snfunctionnwillnthennursensharenwithnthenpatient?
a. Carriesnoutngasnexchange
b. Regulatesntidalnvolume
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c. Producesnhemoglobin
d. Storesnoxygen

ANS:nA

Thenalveolusnisnancapillarynmembranenthatnallowsngasnexchangenofnoxygennandncarbonndioxidend
uringnrespiration.nThenalveolindonnotnstorenoxygen,nregulatentidalnvolume,nornproducenhemoglob
in.



4. Annursenauscultatesnheartnsounds.nWhennthennursenhearsnS2,nwhichnvalvesnisnthennursenhearingnc
lose?




Pagen3nofn788

, FUNDAMENTALSnOFnNURSINGn9THnEDITIONnPOTTERnTESTnBANK

PrimenyourselfnfornyournTestsn–nStudynQuestions


a. Aorticnandnmitral
b. Mitralnandntricuspid
c. Aorticnandnpulmonic
d. Mitralnandnpulmonic
ANS:nC

Asnthenventriclesnempty,nthenventricularnpressuresndecrease,nallowingnclosurenofnthenaorticnandnpul
monicnvalves,nproducingnthensecondnheartnsound,nS2.nThenmitralnandntricuspidnproducenthenfirstnhear
tnsound,nS1.nThenaorticnandnmitralndonnotnclosenatnthensamentime.nThenmitralnandnpulmonicndonnotnclo
senatnthensamentime.



5. Thennursenisnteachingnaboutnthenprocessnofnexchangingngasesnthroughnthenalveolarncapillaryn
membrane.nWhichntermnwillnthennursenusentondescribenthisnprocess?
a. Ventilation
b. Surfactant
c. Perfusion
d. Diffusion

ANS:nD

Diffusionnisnthenprocessnofngasesnexchangingnacrossnthenalveolinandncapillariesnofnbody




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