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NBRC TMC Practice Questions EXAM
NEWEST 2025/ 2026 TEST BANK|
COMPLETE 450 REAL EXAM
QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED
ANSWERS) ALREADY GRADED A+|
NBRC TMC EXAM REVIEW (BRAND
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Whichmofmthemfollowingmismneededmtomcalculatemalveolarmoxygenmtension?

A.mVD/VT,mPAO2

B.mBPmandmFiO2

C.mPetCO2mandmPaO2

D.mQS/QT,mdeadspacem-mCORRECTmANSWERmB.

Barometricmpressure,mFiO2,mandmPaO2maremallmincludedminmthemformulam(BPmstandsmformbarometri
cmpressure)



L/min/m2mismthemunitmofmmeasuremfor:

A.mSystemicmvascularmresistance

B.mCardiacmoutputm

C.mCardiacmindex

D.mStrokemvolumem-mCORRECTmANSWERmC.



Amspontaneouslymbreathingmpatientmhasmthemfollowingmarterialmbloodmgasmresults:

pHm7.38mPaCO2m42mmmHgPaO2m76mmmHgHCO3-m24mmEq/LBEm0mmEq/L

,Whichmofmthemfollowingmsupplementalmoxygenmlevelsmismmostmappropriate?

m A.m2mL/minmnasalmcannula

m B.m5mL/minmnasalmcannula

m C.mnon-rebreathingmmask

m D.mVenturimmaskmatm30%m-mCORRECTmANSWERmB.m

Ampatientmwhomismshowingmsignsmofmhypoxemiamshouldmreceivemsupplementalmoxygen.mIfmthempati
entmismnotmamCOPDmpatientmandmthemsituationmismnotmanmemergency,mthenmthempropermsuppleme
ntalmoxygenmismanmadultmtherapeuticmdose,mwhichmism40%mtom55%.mOfmthemoptionsmavailablemonlym
5mL/minmnasalmcannulamwillmapproachmthis.mOthermoptionsmaremeitherminsufficientmormtoommuch.



Leftmheartmfailuremwouldmbemmanifestedminmwhichmofmthemfollowingmvalues?

m A.mCVPmandmmPAP

m B.mmPAPmandmwedgempressure

m C.mMAPmandmSVR

m D.mcardiacmoutputmandmwedgempressurem-mCORRECTmANSWERmD.m

Themfunctionmofmthemleftmheart,mspecificallymthemleftmventricle,mismbestmassessedmhemodynamicall
ymbymlookingmatmthosemvaluesmthatmprecedemandmcomemaftermthemleftmheart.mInmthismcasempulmon
arymcapillarymwedgempressuremandmcardiacmoutputm(ormcardiacmindex)maremthemvaluesmfoundmbefo
remandmaftermthemleftmheart.



Whichmofmthemfollowingmfindingsmismmostmcloselymassociatedmwithmincreasedmairwaymresistance?

m A.mreducedmSpO2

m B.maccessorymmusclemuse

m C.malteredmP50

m D.mincreasedmPetCO2m-mCORRECTmANSWERmB.

Ofmthemoptionsmgiven,musemofmaccessorymmusclesmismmostmcloselymassociatedmwithmanmincreasemin
mairwaymresistance.mThismismespeciallymtruemwithmpatientsmwhomhavemasthmamormothermtypesmofmu


ppermairwayminflammationmormbronchoconstriction.

,Formampatientmreceivingmvolume-
controlledmmechanicalmventilation,mthemlowerminflectionmpointmonmampressure-
volumemloopmcanmbestmbemdescribedmas:

m A.mamountmofmpressuremrequiredmtomkeepmthemalveolimandmsmallmairwaysmopen

m B.moptimalmPEEP

m C.mminimalmPEEP

m D.muppermlimitmofmresidualmvolumem-mCORRECTmANSWERmA.m

Themlowestminflectionmpointmonmampressure-
volumemventilatormgraphicmismanmindicationmofmthemminimummpressuremneededmtomkeepmalveolimo
pen.



ThemresultsmofmamV/Qmscanmshowsmpoormperfusionmwithmadequatemventilation.mAmchestmradiograp
hmshowsmamwedge-shapedminfiltratemovermthemrightmlungmfield.mThempatientmmostmlikelymhas

m A.mfluidmoverload

m B.mARDS

m C.mampulmonarymembolism

m D.mpneumoniam-mCORRECTmANSWERmC.m

AmVQmscanmthatmshowsmpoormperfusionmbutmadequatemventilationmismmostmcloselymassociatedmwit
hmampulmonarymembolism.mSupportivemdatamismfoundminmthemradiologicalmreportmofmwedge-
shapedminfiltrates.



Themrespiratorymtherapistmnotesminmthemmedicalmrecordmofmam65-year-
oldmmalemthatmthempatientmismorderedmtomreceivembronchodilatormtherapymwithmAlbuterol.mThemth
erapistmalsomnotesmthempatientmismreceivingmbeta-
blockermmedication.mThemtherapistmshouldmrecommend

m A.mAdministermDexamethasonem(Decadron)minmplacemofmAlbuterol

m B.mAddmXopenexmtomthembronchodilatormregimen

m C.mReplacemAlbuterolmwithmBeclamethasonem(Beclovent)

, m D.mSwitchmfrommAlbuterolmtomipratropiummbromidem(Atrovent)m-mCORRECTmANSWERmD.

Becausemalbuterolmismambeta-agonistmmedication,mpatientsmwhomaremtakingmbeta-
blockersmshouldmutilizemothermbronchodilationmmedication.



Amhospitalmhasmanmextremelymlowmincidencemofmventilator-
associatedmpneumonia.mTomwhichmofmthemfollowingmreasonsmmaymthismbemattributed?

m A.mperiodicmdiscontinuationmofmsedation

m B.musemofmrespiratorymprecautionsmwithmthempopulation

m C.mdiversionmofminfectiousmpatientsmtomothermfacilities

m D.mbroadmusemofmprophylacticmantibioticsm-mCORRECTmANSWERmA.m

Themincidencemofmventilator-
associatedmpneumonia,mormVAP,mismloweredmbymusingmamclosedmsystemmsuctionmcatheter,mperiodic
allymdiscontinuingmsedation,mkeepingmthempatientmandmsemi-
Fowler'smposition,mandmpropermhandwashingmamongmcaregivers.mAllmaremcorrect.



Ampressure-
volumemloopmventilatormgraphicmshowsmnomriseminmpressuremformthemfirstm200mmLmofmdeliveredmvo
lume.mThemtherapistmshould

m A.mincreaseminspiratorymflowmrate

m B.mincreasemPEEP

m C.mdecreasemtidalmvolume

m D.mdecreaseminspiratorymflowmratem-mCORRECTmANSWERmB.

Inmthismquestionmthemdescriptionmofmthempressuremvolumemloopmwouldmindicatemamflatmbottommasm
manifestedmbymnomriseminmpressuremwithmthemfirstm200mmLmofmdeliveredmvolume.mWemcallmthismam"
flatmfootball".mThemsolutionmismtomincreasemPEEPmtomamlevelmthatmthempressurembeginsmtomrisemimm
ediatelymasmvolumemismintroduced.



Whichmofmthemfollowingmwouldmbemthemmostmeffective,mappropriatemmethodmformresolvingmatelec
tasisminmamspontaneouslymbreathing,mpostmoperativempatientmwhomismundermtheminfluencemofmseda
tionmandmwillmnotmrespondmtomverbalmstimuli?