ATLS Written Review Questions and Answers 2025

ATLS Written Review Questions and
Answers 2025
WhatAisAtheAprimaryAgoalAofAtreatingATBI?AHowAisAthisAdone?A-ACORRECTAANSWERSA-
preventingAsecondaryAbrainAinjury.AThisAisAdoneAbyAmaintainingAbloodApressureAandAprovi
dingAadequateAprofusion.
AfterAmanagingAABCDEsAofATBIAwhatAMUSTAbeAidentifiedAifApresent?AHowAisAthisAdone?A-
ACORRECTAANSWERSA-

massAlesionAthatArequiresAsurgicalAevacuationAisAcritical!AthisAisAdoneAwithACT.ANOTE:Aobt
ainingAaACTAshouldAnotAdelayApatientAtransferAtoAtraumaAcenter.
WhichAbrainAlobesAdoAtheAfollowingAhold:
1.AanteriorAfossa:A
2.AmiddleAfossa:A
3.AposteriorAfossa:A-ACORRECTAANSWERSA-1.AanteriorAfossa:AfrontalAlobes
2.AmiddleAfossa:AtemporalAlobes
3.AposteriorAfossa:AlowerAbrainstemAandAcerebellum
WhatAareAtheA3AlayersAofAtheAmeninges?A-ACORRECTAANSWERSA-
duraAmater,AarachnoidAmater,ApiaAmater
WhatAdoesAtheAduraAmaterAadhereAfirmlyAto?A-ACORRECTAANSWERSA-
theAskull.AitAisAtoughAandAfibrous
WhatAlayerAofAtheAmeningesAsplitsAintoAtwoAleavesAasAspecificAsitesAtoAencloseAlargeAveno
usAsinuses?AWhatAdoAtheseAsinusesAdo?A-ACORRECTAANSWERSA-duraAmater.
theseAsinusesAprovideAmajorAvenousAdrainageAfromAtheAbrain.
WhatAisAtheAmidlineAsinusAofAofAtheAbrainAthatAsplitsAintoAtwoAsinuses:AbilateralAtransverseA
andAsigmoidAsinus?AWhatAsideAareAtheseAbiggerAon?A-ACORRECTAANSWERSA-
TheAmainAsinusAenclosedAbyAtheAduraAmajorAisAtheAmidlineAsuperiorAsagitalAsinus.AThisAspl
itsAintoAtheAsigmoidAandAbilateralAtransverseAsinusesAwhichAareAlargerAonAtheArightAside.
WhatAareAtheAarteriesAthatAlieAbetweenAtheAskullAandAtheAduraAmaterA(epiduralAspace)?A-
ACORRECTAANSWERSA-meningealAarteries.

WhatAisAtheAmostAcommonlyAinjuredAmeningealAarteryAandAwhereAisAitAlocated?A-
ACORRECTAANSWERSA-middleAmeningealAartery.

LocatedAoverAtheAtemporalAfossa
T/F:AtheAarachnoidAmaterAisAfusedAtoAtheAduraAmater?A-ACORRECTAANSWERSA-
FALSE:AnotAattached.AThisAproducesAaApotentialAspaceAforAaAsubduralAhematoma
InAaAsubduralAhematoma,AwhatAisAtheAcause?A-ACORRECTAANSWERSA-
injuryAtoAbridgingAveinsAthatAextendAfromAbrainAsurfaceAtoAtheAsinusesAwithinAtheAdura.
_______AfillsAtheAspaceAbetweenAtheAarachnoidAandApiaAmater?A-
ACORRECTAANSWERSA-CSF.AthisAcushionsAtheAbrainAandAspinalAcord.

WhatAlocationAofAbrainAhemorrhageAisAfrequentlyAseenAinAbrainAcontusionAorAinjuryAtoAmajo
rAbloodAvesselsAatAbaseAofAbrain?A-ACORRECTAANSWERSA-subarachnoid.
TheA____AandA_____AcontainAtheAreticularAactivatingAsystemAwhichAisAresponsibleAforA___
_.A-ACORRECTAANSWERSA-midbrainAandAupperApons
stateAofAalertness

, WhatAimportantAfunctionAresidesAinAtheAmedulla?A-ACORRECTAANSWERSA-
cardiorespiratoryAcenters.
WhatAimportantAfunctionsAareAinAtheAfollowingAbrainAsegments:
1.AleftAhemisphere:A
2.AfrontalAlobe:A
3.AparietalAlobe:
4.Atemporal:A-ACORRECTAANSWERSA-1.AleftAhemisphere:AlanguageAcenter
2.AfrontalAlobe:AexecutiveAfunction,Aemotions,Amotor
3.AparietalAlobe:AsensoryAfunction/spatialAorientation
4.Atemporal:AmemoryAfunctions
WhatAdividesAtheAbrainAintoAsupratentorialAandAinfratentorialAcompartments?A-
ACORRECTAANSWERSA-tentoriumAcerebelli.A(tentAoverAcerebellum)

WhatAisAtheAphysiologyAbehindAaAblownApupil?A-ACORRECTAANSWERSA-
blownApupil:AdilationAofApupil
-
CNAIIIArunsAalongAtheAtentoriumAcerebelli.AparasympatheticAfibersAthatAconstrictAtheApupilAr
unAalongACNAIIIA(oculomotor).AWhenAtemporalAlobeAisAherniated,AitAcanAcompressAtheseAfi
bers.AUnapposedAsympatheticAactivityAcausesApupillaryAdilation.
WhatAisAtheAtentorialAnotch/hiatusA-ACORRECTAANSWERSA-
thisAisAwhereAtheAmidbrainApassesAthroughAintoAtheAinfratentorialAcompartment.
whatApartAofAtheAbrainAmostAcommonlyAherniatesAthroughAtheAtentorialAnotch?A-
ACORRECTAANSWERSA-UncusA(medialApartAof AtemporalAlobe)

doesAweaknessAoccurAonAtheAsameAorAoppositeAsideAofAtheAuncalAherniation?A-
ACORRECTAANSWERSA-

OPPOSITE.AtheAcorticospinalAtractAofAtheAmidbrainAisAcompressedAandAthenAcrossesAatAth
eAforamenAmagnum.
state:AIpsilateral/contralateral

____ApupillaryAdilationAassociatedAwithA_____AhemiparesisAisAtheAclassicAsignAofAuncialAhe
rniation.A-ACORRECTAANSWERSA-ipsi

contra
averageAICPAisA_____AmmHg.A-ACORRECTAANSWERSA-10
TheAmonro-
kellieAdoctrineAstatesAthatAtheAtotalAvolumeAofAintracranialAcontentsAmustAremainAconstant,
AbecauseAtheAcraniumAisA___A-ACORRECTAANSWERSA-

aArigid,AnonAexpandableAcontainer.
TheAmonro-
kellieAdoctrineAstatesAthatA_____AandA_____AmayAbeAcompressedAoutAofAtheAskullAprovidin
gAaAdegreeAofAbuffering.A-ACORRECTAANSWERSA-CSFAandAvenousAblood.

OnceAtheACSFAandAvenousAbloodAreachAaAcertainAlevelAofAdisplacementAtheAICPArapidlyAin
creases.
WhatAisAtheAequationAforACPPA(cerebralAperfusionApressure)?A-ACORRECTAANSWERSA-
CPP=MAP-ICP