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Kettering practice test 160 questions (all areas) with complete solutions
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Kettering practice test 160 questions (allareas) with complete solutions
Anspontaneouslynbreathingn76-year-
oldnpatientnwhonweighsn60nkgn(132nlb)nisnonnannFIO2nofn0.45nvianantrachncollar.nHenhasnhadnanchangeninnhisnt
idalnvolumenfromn600nmLnton300nmLnandnhisnrespiratorynratenwentnfromn12n/minnton24n/min.nWhichnofnthe
nfollowingnchangednduentonthenchangeninnthentidalnvolumenandnrate?
A.Minutenventilation
B.Alveolarnventilation
C.Anatomicalndeadspace
D.Mechanicalndeadspacen-ncorrectnanswer-B
Whichnofnthenfollowingnwouldnbenmostnhelpfulninndeterminingnifnanpatientnisndevelopingnventilatorynfailure
?
A.Arterialnbloodngas
B.Bloodnpressure
C.Vitalncapacity
D.Hematocritn-ncorrectnanswer-A
Anpatientnwithnmorbidnobesitynisnbeingnweanednfromnthenventilatornfollowingncholecystectomy.nArterialnbl
oodngasnresultsnreveal:pH:n7.40PaO2:n96ntorrPaCO2:n43ntorrSaO2:n94%Thenpatient'sncurrentnventilatornset
tingsnare:nTidalnvolumen650nmL,nSIMVnmandatorynraten4n/min,nPEEPn5ncmnH2O,nandnFIO2n0.35nevennthoug
hnshenisnnotnfullynconscious.nWhatnshouldnthenrespiratoryntherapistnrecommendnatnthisntime?
A.Extubate
B.Re-evaluateninn1nhour
n
C.PlacenonnCPAPnatnannFIO2n0.45
D.Repeatnarterialnbloodngasesninn30nminutesn-ncorrectnanswer-C
An5'n10",n80nkgn(176nlbs)nmalenpatientnwithnmultiplentraumanfromnanmotorcyclenaccidentnhasndevelopednA
RDSnandnisnbeingnventilatednatnthenfollowingnsettings:Mode:nVC,nSIMVVT:n500nmLSetnRate:n14nbr/min.FIO2
,:n0.60PEEP:n12ncmnH2OArterialnbloodngasnresultsnreveal:pH:n7.35PaO2:n72ntorrPaCO2:n44ntorrSpO2:n93%T
henpatientnisnconsciousnandnpullingnonnthenIVnlinesnandnventilatorntubing.nAtnthisntime,nthenrespiratorynther
apistnshouldnrecommend
A.changingntonassist/controlnmode.
B.restrainingnthenpatient.
C.increasingnthensetnratenton16nbr/min.
D.sedatingnthenpatient.n-ncorrectnanswer-D
An78-year-
oldnmalenpatientnisnbeingntreatednfornobstructivensleepnapneanwithnbilevelnpositivenairwaynpressurenatnnig
ht.nArterialnbloodngasnresultsnrevealnannelevatednPaCO2nlevel.nThenrespiratoryntherapistnshouldnrecommen
dnincreasingnthe
A.oxygennconcentration.
B.expiratorynpositivenairwaynpressuren(EPAP).
C.inspiratorynflownrate.
D.inspiratorynpositivenairwaynpressuren(IPAP).n-ncorrectnanswer-D
An80nkgn(176nlb)npatientnwithnpulmonarynfibrosisnisnbeingnmechanicallynventilatednwithnanvolume-
controllednventilatornatnthenfollowingnsettings:Mode:nSIMVVT:n700nmLMandatorynrate:n15Totalnrate:n15FI
O2:n0.45PEEP:n+10I:EnRatio:n1:2PIP:n50ncmH2OArterialnBloodnGasnanalysisnrevealsnthenfollowing:pH:n7.34P
aCO2:n42ntorrPaO2:n55ntorrHCO3-:n22nmEq/LSaO2:n88%Thenrespiratoryntherapistnshouldnrecommend
A.increasingnthenFIO2nton60%
.B.decreasingnthenrespiratorynrate.
C.increasenthenPEEPnlevelnton20ncmnH2O.
D.changingntonpressurencontrolnmode.n-ncorrectnanswer-A
Annadolescentnpatientnadmittednwithnandrugnoverdosenreceivesnmechanicalnventilationnatnthenfollowingnse
ttings:Mode:nPC,nA/CSetnRate:n16/minFlow:n25nL/minPressurenlimit:n40ncmnH2OFIO2:n0.30ExhalednVT:n500
nmLThenrespiratoryntherapistnobservesnwidenfluctuationsnonnthenpressurenmanometernduringninspiration.n
Thenmostnappropriatenactionnwouldnbento
A.sedatenthenpatient.
B.increasenthenpressurenlimit.
C.increasenthenflowrate.
,D.decreasenthentriggernsetting.n-ncorrectnanswer-C
An52-year-
old,n5'n9"ntallnmalenpatientn(85nkg,n187nlb.)nisnmechanicallynventilated.nAnnarterialnbloodngasnhasnbeennobta
ined.nVentilatoryndatanandnbloodngasnresultsnarenbelow:Mode:nVC,nA/CFIO2:n0.40Setnrate:n10/minTotalnrat
e:n10/minVT:n550nmLPEEP:n5ncmnH2OMechanicalnVD:n50nmLpH:n7.28PaCO2:n74ntorrPaO2:n57ntorrSaO2:n86
%HCO3-:n23nmEq/LBE:n0nmEq/LThenrespiratoryntherapistnshouldnincreasenthe
A.VTnton700nmL.
B.setnratenton14/min.
C.FIO2nton0.65.
D.PEEPnton15ncmnH2O.n-ncorrectnanswer-B
An60-year-oldnmalenpatientn(80nkg,n176nlb)nreceivesnvolume-
controlnventilationnatnthenfollowingnsettings:SetnVT:n800nmLExhalednVT:n760nmLInspiratorynflowrate:n60nL/
minPIP:n65ncmnH2OPPL:n58ncmnH2OPEEP:n5ncmnH2OWhichnofnthenfollowingnstatementsnbestndescribesnthe
npatient'sncurrentnsituation?
A.Dynamicncompliancenisndecreasing.
B.Staticncompliancenisnincreasing.
C.Airwaynresistancenisnincreasing.
D.Thoracicncompliancenisnincreasing.n-ncorrectnanswer-A
Anninfantnonnanhighnfrequencynjetnventilatorn(ratenofn150nb/m)nhasnthenfollowingnarterialnbloodngases:pH:n
7.30PaO2:n60ntorrPaCO2:n50ntorrHCO3-
:n21nmEq/LWhichnofnthenfollowingnchangesnwouldnbestnhelpntonimproventhesenresults?
A.Increasentheninspiratoryntime
B.Increasenthendrivenpressure
C.Increasenthenfrequencynton190nbr/min
D.IncreasenthenFIO2n-ncorrectnanswer-B
whichngoesnfirst?
A.nventilation
B.noxygenationn-ncorrectnanswer-A
, Ann80nkgn(176nlb)nmalensufferingnfromnacutenrespiratoryndistressnsyndromenisnmechanicallynventilatednatnt
henfollowingnsettings:nMode:nVC,nA/CTidalnVolume:n500nmLSetnRate:n10/minTotalnRate:n10/minPIP:n68ncmn
H2OnFIO2:n0.45PEEP:n8ncmnH2OThenfollowingnpatientninformationnisnavailable:pH:n7.37PaCO2:n44ntorrPaO
2:n89ntorrHCO3-:n22nmEq/LThenrespiratoryntherapistnshould
A.decreasenPEEP.
B.changentonSIMV.
C.addnpressurensupport.
D.changentonpressurencontrol.n-ncorrectnanswer-D
Anprematurenneonatendevelopednrespiratoryndistressnsyndromenandnisnmechanicallynventilatednwithnanpre
ssure-limited,ntime-
cyclednventilatornatnthenfollowingnsettings:nPIP:n25ncmnH2ORate:n24/minFlow:n7nL/minnIntime:n0.6nsec.FIO2
:n0.45nPEEP:n4ncmnH2OArterialnbloodngasnresultsnfromnannumbilicalnarterynlinenarenasnfollows:pH:n7.29nPaC
O2:n62ntorrPaO2:n68ntorrnHCO3-:n22nmEq/LThenrespiratoryntherapistnshouldnnownrecommend
A.increasingnthenPEEP
.B.increasingnthenI-time.
C.increasingnthenrate.
D.decreasingnthenPIP.n-ncorrectnanswer-C
Allnofnthenfollowingncouldncausenancapnographynreadingntonchangenfromn36ntorrnton30ntorrnEXCEPT
A.endotrachealntubenpositionedninnthenrightnmainstemnbronchus
B.hyperventilation
C.pulmonarynemboli
D.hypovolemian-ncorrectnanswer-A
Anballoon-tipped,nflow-
directedncatheternisnpositionedninnthenpulmonarynarterynwithnthenballoonndeflated.nWhichnofnthenfollowin
gnpressuresnwillnbenmeasurednbynthenproximalnlumen?
A.CVP
B.PAP
C.PCWP
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