Hyperbaric Study Questions with 100% Correct Answers

Hyperbaric Study Questions with
100% Correct Answers
_____A_____A_____AWhileAbreathingAairAisAwhatAcausesAbubblesAtoAformA-
AAnswerAReducingAbarometircApressure


"AAbubbleAdeepAwithinAtheAbody'sAtissuesArespondsAtoAtheApressureAappliedAoutsideAtheAb
ody"AisAaAstatementAthatAexemplifiesA-AAnswerAPascal'sALaw


"AdiabaticAheating"AandA"adiabaticAcooling"AreferAtoA-
AAnswerATheAtemperatureAriseAandAtemperatureAdropAwhenAchamberApressureAchanges


<p>21%AoxygenAatA1AATAAisAtheAsameAvalueAas</p>A-
AAnswerA760AxA0.21=A159.6AmmHgAoxygen


<p>79%AnitrogenAatA1AATAAisAtheAsameAvalueAas</p>A-
AAnswerA<p>600.4AmmHgAofAnitrogen


<p>TheApartialApressureAofAO2AatA5AATAAis</p>A-
AAnswerA5AxA0.21=A1.05<br>1.05AatmospheresA(atm)


<p>trueAorAfalse;TheAhealthy,A22Ayear-
oldApregnantApatientAthatApresentsAwithAaAhistoryAofAmildAexposuretoACOAandAaACOHgbAle
velAofA15%AshouldAbeAtreated.</p>A-AAnswerAtrue


<p>WhatAisAtheAinspiredAPO2AinAmmHgAbreathingAairAatA1AATA</p>A-
AAnswerA160AmmHg


1AatmosphereAequalsA-AAnswerA760AmmHg<br>14.7Apsi<br>33Afsw


AA"duoplace"AchamberAis:A-
AAnswerAAAclassAAAchamber,AaA2ApersonAchamber,AandAaAmultiplaceAchamber


AAballoonAisAinflatedAwithA600ccAofAair,AandAthenAtakenAintoAtheAhyperbaricAchamber.AWh
atAwillAbeAtheAvolumeAofAtheAballoonAwhenAitAreachesA6AATA?A-

,AAnswerAifAtheApressureAincreasesA6Atimes,AtheAvolumeAwillAdecreaseAtoA1/6AofAtheAori
ginalAvolume.<br>100cc


AAballoonAisAinflatedAwithA600ccAofAair,AandAthenAtakenAintoAtheAhyperbaricAchamber.AWh
atAwillAbeAtheAvolumeAofAtheAballoonAwhenAitAreaches,A6AATAA-AAnswerA1/6


AAballoonAwithAaAvolumeAofA3AlitersAisAtakenAfromA6AATAAtoA3AATA.AWHatAwillAtheAvolu
meAbeAatA3AATA.A-AAnswerA6Aliters


AAcommonAexampleAofAHenry'sAlawAisA-AAnswerAAAnewlyAopenedAbottleAofAsoda


AAcompartmentAsyndromeAisAaA-
AAnswerASwellingAinAaAmyofacialAcompartmentAwhichAincreasesAtheAinterstitialApressureA
aboveAtheAcapillaryAprofusionApressure


AAcompartmentAsyndromeAsharesAsomeApathologicalAsimilaritiesAwithA-AAnswerAATPI


AAdefinitionAofA"Acaisson"AisA-
AAnswerAAApressurizedAcontainerAthatAallowsApeopleAtoAworkAunderAwater


AAmechanicalAgaugeAisAusedAwhenAmeasuringAgasApressureAinAaAsealedAcontainer.AForAallA
commonApressureAgauges,AtheApressureAindicatedAonAtheAgaugeAisA-
AAnswerALessAthanAabsoluteApressureAbecauseAgaugesA(andAgaugeApressures)AignoreAtheA
ambientA(barometric)ApressureAaroundAus.ATheyAonyAmeasureAtheAextraApressureAinAtheAcon
tainer.


AAno-
hyperbaricAtrainedADR.ArequestedAtreatmentAforAaApatientAwithAaAhistoryAofAcongenitalAsph
erocytosis.AWhatAcomplicationsAwouldAyouAworryAaboutAthisApatient:<br>A-
AAnswerAHemolysisAofAredAbloodAcells,ACongenitalAspherocytosisAisAaAconditionAinAwhichA
theAredAbloodAcellsAareAfragileAandAcanAburstAifAexposedAtoAincreasedAoxygen.


AAnon-
hyperbaricAtrainedAphysicianArequestedAtreatmentAforAaApatientAwithAaApatientAwithAaAhist
oryAofAopticAneuritis.AWhatAcomplicationAwouldAyouAworryAaboutAforAthisApatient:A-
AAnswerABlindness<br>

,AAnormalAreadignAyouAmghtAgetAwithAaApulseAoxAisA-AAnswerA98%


AAparticularAanaerobicAbacteriumAthatAweAloveAtoAtalkAaboutAinAtheAHBOAenvironmentAisAC
lostridiaAperfringens.AThisAbacteriaAcausesA-AAnswerAGasAgangrene


AApatietnAwhoAaggressivelyAusesAtheAValsalvaAtechniqueAtoAequalizeApressureAinAtheAmiddl
eAearArisksAcausingA-AAnswerARoundAwindowArupture


AApersonAstayedAatA99AFSWAlongAenoughAforAherAbodyAtoAequilibrateAtoAtheAlevelAofAnitr
ogen.A(assumeA8ALAofAdissolvedAnitrogenAatA99Afsw)AWhenAthisApersonAreturnsAtoAtheAsurf
ace,AapproximatelyAhowAmuchAnitrogenAwillAremian?A-
AAnswerA2L<br>TheAabsoluteApressureAbecomesA1/4AofAwhatAitAwas,AsoAtheAamountAofA
dissolvedAgasAisA1/4AofAwhatAitAwas.A1/4AofA8AisA2


AAptAstatesAthatAhisAvisionAisAgettingAbetterAandAcanAreadAwithoutAglasses.A-
AAnswerAYouAcanAremindAtheApatientAthatAifAyouAreceiveAoverA20AtreatmentsAthisAisAco
mmon,AHoweverAtheAeffectAwon'tAlast,AandAtoAnotAgetAaAnewAprescriptionAforAaboutA2Amo
nths.


AApulseAoximeterAisAusedAtoAmeasureAtheAoxygenA_______AofAtheAbloodA-
AAnswerAsaturation


AAscubaAtankAisAfilledAtoA2043APISGAatA27AdegreeACelcius.APlacedAinAtheAsun,AitAreachesA
42AdegreeAcelcius.AWhatAisAtheApressureAinsideAtheAheatedAtank?A-
AAnswerA2146APSGI<br>27degreeAC=A300AKelvin,A42AdegreeAC=A315AKelvinAwhichAmea
nsAtheAabsoluteAtempAincreasedA5%.A2043APSIG=140AATAA5%AofA140A=7<br>140+7AorA
147AATAA147AATA=2146APSI


AAsixAcubicAftAgasAcylinderAhasA3000APSIAatA72F.AAAfireAnearbyAcausesAtheAtemperatureAo
fAtheAcylinderAtoAreachA170F.AWhatAisAtheApressureAinsideAtheAcylinder?A-
AAnswerA3554APSI<br>Gay-Lussac'sALawAP1/T1=P2/T2<br>


AAskinAdiverAwithAaAlungAvolumeAofA6AlitersAmakesAaAbreath-
holdAdiveAfromAtheAsurface.AWhatAisAtheAskinAdiver'sAlungAvolumeAwhenAheAreachesA33Afs
w?A-
AAnswerA3ALiters,<br>IfAtheApressureAincreasesAtoAdoubleAtheAoriginalApressure,AtheAvol
umeAwillAdecreaseAtoA1/2AofAtheAoriginalApressure.

, AAskinAdiverAwithAaAlungAvolumeAofA6LAmakesAaAbreathAholdAdiveAfromAtheAsurface.AWha
tAisAtheAskinAdiver'sAlungAvolumeAwhenAheAreachesA33Afsw?A-
AAnswerA1/2AtheAoriginalAvolume


AAsplit-thicknessAorApartial-
thicknessAskinAgraftAtakesAtheAvascularAsupplyAwithAtheAtissueAwhenAtransplanted:<br>A-
AAnswerAFalse,TheAgraftAonlyAtakesAtheAtopAlayersAofAtheAskinAleavingAbehindAenoughAs
kinAcellsAatAtheAdonorAsiteAtoAregrowAskin.ABloodAvesselsAandAsupportingAtissueAareAnotAt
ranslated.


AATcpO2AreadingAofA23AmmHgAonAtheAoorAisAconsideredAnormal:A-
AAnswerAFalse,AvaluesAbelowA30AareAconsideredAhypoxic.AValuesAbetweenA30-
40AareAconsideredAmoderatelyAhypoxic.AValuesAaboveA40AareAconsideredAnormal.


AAthermalAburnAcanAbeAcausedAbyA-AAnswerAopenAfire,steam,AhotAsurfaces,AhotAliquids


AAthermalAburnAcanAbeAcausedAby:A-AAnswerAOpenAfire,Asteam,AhotAsurfaces,AhotAliquids


AAtoothAsqueezeAinvolvingAtheAupperAteethAmightAbeAmaskedAasA-AAnswerAsinusAsqueeze


AAtreatmentAinAaAhyperbaricAoxygenAchamberAinvolvesA2AmainAmechanisms:AincreasingApre
ssureAandAincreasingAoxygenApercent.AThisAresultsAinA2AmainAeffectsA-
AAnswerAToAmechanicallyAshrinkAbubblesAandAtoAhyeroxygenateAtheAblood


AAvalsalvaAorAFrenzelAManeuverAareAmethodsAof:<br>A-
AAnswerAMinimizingAearAbarotraumaAonAcompression


AbsoluteApressureAcanAalsoAbeAdefinedAasA-
AAnswerAGaugeApressureA+Aatmosphere,AtotalApressureAand,trueApressure.


AbsoluteApressureAcanAbeAdefinedAasA-
AAnswerATheAamountAofApressureAwithinAtheAsealedAvesselA+AtheAamountAofApressureAo
utsideAtheAsealedAvessel