Hyperbarics, Study Questions for CHRN Preparation with Correct Answers

Hyperbarics, Study Questions for
CHRN Preparation with Correct
Answers
DefinitionAofAaAcaissonA-
AAnswerAPressurizedAcontainerAthatAallowsApeopleAtoAworkAunderwater


PeopleAwhoAworkAinAaAcaissonAexposedAtoAwhatAriskA-AAnswerADecompressionAsickness


CompressionAtherapyAforAtheAdisorderAofAdecompressionAsicknessAinAcassionAworkersAbegan
AinAwhatAyearA-AAnswerA1889


WhatAyearAwasAtheAfirstAcaissonAusedAforAcoalAexcavationAinAFranceA-AAnswerA1841


TheAfirstApersonAtoAuseAaAcaissonA-AAnswerAMATriger


WhoAwasAtheApersonAwhoAdescribedAtheApressureArelatedApainAandAparalysisAinAcaissonAw
orkersA-AAnswerAMATriger


WhileAbuildingAtheABrooklynnABridge;AHowAmanyAcasesAofAdecompressionAsicknessAoccurred
?AAndAhowAmanyAwereAfatal?A-AAnswerA110Acases;A2Afatalities


TheAbookA"BarometricAPressure"AwasApublishedAinA1878AdescribingAcaisson'sAdisease,Abubb
leAtheoryAofAdecompressionAsicknessAandAoxygenAtoxicity.AWhoAwroteAthisAbook.A-
AAnswerAPaulABert


TheAfirstAonAsiteArecompressionAchamberAforAtreatingAdecompressionAsicknessAinAtheAUSAAw
asAlocatedAatAtheAconstructionAsiteAofAwhatAbridge?A-AAnswerAHudsonARiverABridge


ThereAareAthreeAtypesAofAequipmentAthatAallowAaAhumanAtoAremainAunderwaterAwhileAbrea
thingAair.AWhatAareAthoseAthreeAitems?A-AAnswerADivingABells;ADivingASuit;AScuba


WhoAdemonstratedAtheAfirstApracticalAdivingAbell?A-AAnswerAEAHalleyAinA1690

,WhoAinventedAtheAfirstApracticalAscubaAdevice?A-AAnswerAW.AJamesA1825


WhatAisAaAdomicillium?A-
AAnswerAAAcottageAthatAhadAbellowsAtoAincreaseAandAdecreaseApressureAforArespiratoryA
problems


WhatAisAtheAfirstArecordedAuseAofAaAdomicillium?A-AAnswerANAHenshawAinA1662


PaulABertAisAknownAforAwhichAofAtheAfollowingAstudies?A-
AAnswerAHighAaltitudeAhypoxia;AdecompressionAsicknessAandAoxygenAtoxicity


WhatAisAtheAfswA(feetAseaAwater)AequivalentAtoA1AATAA-AAnswerA33AfswA=A1AATA


WhoAisAgivenAcreditAforAtheA"hyperbaricAhotel"AinACleveland,AOhioA-
AAnswerAHATimken,A1928


WhoAusedAaAhyperbaricAchamberAwithAanAacrylicAportAforAradiationAtherapyAofAcancerApati
ents?A-AAnswerAChurchill-Davidson


PriestleyApublishedAhisAdiscoveryAofAoxygenAinAwhatAyear?A-
AAnswerA1775,APriestlyApusblishedAhisAdiscoveryAofAoxygen


WhoAisAconsideredAtheAFatherAofApressureAphysiologyA-
AAnswerAPaulABert,A"FatherAofAPressureAPhysiology"


WhoAfirstAdescribedAoxygenAtoxicity,AandAwhenA-AAnswerALorraine-SmithAinA1899


HaldaneAisAcreditedAwithAcreatingAwhat?A-
AAnswerAJSAHaldane,A(etAal)A1906ApublishedAstudiesAonAstagedAdecompression


WhoAisAtheApersonAcreditedAwithAestablishingAoxygenAtoleranceAlimits?A-
AAnswerAARABehnke,A1937AatAHarvardAUniversity

,InAwhatAyearAdidABehnkeAdescribeAlethalAairAembolismAthatAoccurredAinAshallowAascentAtra
ining?A-AAnswerA1932


TheAfirstAsuccessfulAcompressionAtherapyAforAsevereAaltitudeAdecompressionAsicknessAwasApu
blishedAinAwhatAyear?A-
AAnswerA1960;AanAaviatorAsufferingAfromACNSAdecompressionAsicknessAwasAtreatedAsucce
ssfullyAatALittleACreekAAmphibiousABaseAVa


TheAUMSA(UnderseaAMedicalASociety)AwasAfoundedAinAwhatAyear?AANDAwhatAyearAdidAitAb
ecomeAtheAUHMSA(UnderseaAHyperbaricAMedicalASociety?A-
AAnswerA1967;AcreatedAbyAdivingAmedicineAphysiciansAandAphysiologistsA-
A1986;AtheAoccurredAbecauseAofAtheAincreasedAnumberAofAhyperbaricAphysicians


AllAofAtheAfollowingApressuresAareAtheAsameAexcept:
760AmmHgA:A2AATAA:A14.7APSIGA:A33AFSWA-
AAnswerA760AmmHg;AallAothersAareAequivalentAtoA2AATA


WhatAareAtheAcorrectAequivalentsAtoA1AATMAworthAofApressure?A(NOTA1AATA)A-
AAnswerA33AFSW;A14.7Apsi;A760mmHg


WhatAisAtheAdefinitionAofA"pressure"A-
AAnswerATheAforceAperAunitAareaAactingAonAaAsurfaceAinAaAdirectionAperpendicularAtoAth
atAsurface


GasAisAdefinedAas:A-AAnswerAaAphaseAofAmatter


InAtheAgasAphase,AtheAatomsAorAmoleculesAconstitutingAtheAmatterAbasicallyAmoveAinAwhat
Amanner?A-
AAnswerAIndependently;AwithAnoAforcesAkeepingAthemAtogetherAorApushingAthemAapart.AT
heirAinteractionsAareArareAandArandomAcollisions.


LiquidsAchangeAtoAaAgasAat:
A)AHighASpeeds
B)ATheirArespectiveAboilingApoints
C)AtheAnearestAphoneAbooth

, D)ATheirArespectiveAfreezingApointsA-AAnswerAB)ATheirArespectiveAboilingApoints


HydraulicsAisAaAbranchAofAscienceAandAengineeringAconcernedAwithAtheAmechanicalApropertie
sAof:
A)AGases
B)ASolids
C)APlasma
D)ALiquidsA-AAnswerAD)ALiquids


WhenAapplyingApressureAtoAaAfluid,AtheApressureAisAexerted:
A)AInAallAdirectionsAequally
B)AInAallAdirectionsAbutAmoreAstronglyAatAtheAoppositeAendAofAaAclosedApipe
C)AonlyAinAtheAdirectionAofAtheAflowAofAtheAliquid
D)ABackwardA-AAnswerAA)AInAallAdirectionsAequally,AthisAisAaccordingAtoAPascal'sALaw


AAmechanicalAgaugeAisAusedAwhenAmeasuringAgasApressureAinAaAsealedAcontainer.AForAallA
commonApressureAgauges,AtheApressureAindicatedAonAtheAgaugeAis:A
A)ALessAthanAtheAabsoluteApressure
B)AMoreAthanAtheAabsoluteApressure
C)AExactlyAtheAsameAasAtheAabsoluteApressure
D)AInaccurate.ATheseAgaugesAareAknownAtoAreadAincorrectlyA-
AAnswerAA)ALessAthanAtheAabsoluteApressure;AgaugesA(andAgaugeApressures)AignoreAtheA
ambientA(barometric)ApressureAaroundAus.ATheyAonlyAmeasureAtheAextraApressureAinAtheAco
ntainer


PressureAisAdefinedAas:A
a.)ATheAforceAperAunitAareaAactingAonAaAsurfaceAinAaAdirectionAperpendicularAtoAthatAsurfa
ce.A
b.)AAnAexternalAcauseAresponsibleAforAanyAchangeAofAaAphysicalAsystemA
c.)ATheArateAofAchangeA(orAtimeAderivative)AofAvelocityA
d.)AInfluenceAexertedAbyAaApeerAgroupAencouragingAanAindividualAtoAchangeAhisAorAherAatt
itude,Avalues,AorAbehaviorsAinAorderAtoAconformAtoAgroupAnorms.A-
AAnswerAa.)AIsAtheAdefinitionAofApressure