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ATLS Module 6 - Head trauma Questions and Answers 2025

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ATLS Module 6 - Head trauma Questions and Answers 2025

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ATLS Module 6 - Head trauma Questions
and Answers 2025
Whataisatheaprimaryagoalaofatreatmentaforapatientsawithasuspectedatraumaticabrainainjurya
(TBI)?A-ACORRECTAANSWERSA-preventasecondaryabrainainjury

*redatext*
Whataisatheamostaimportantawayatoalimitasecondaryabrainadamageaandaimproveaaapatientsao
utcome?A-ACORRECTAANSWERSA-
ensureaadequateaoxygenationaandamaintainabloodapressureaataaalevelasufficientaenoughatoa
perfuseatheabrain
Afteramanagingaabcdesainaaaptawithaheadatraumaaandaneurosurgicalacapabilitiesaexistaatayo
urahospital,awhatadoayouado>A-ACORRECTAANSWERSA-
itaisacriticalatoaidentifyaanyamassalesionarequiringasurgicalaevacuation...athisaisabestaachieve
daviaactascanaofahead
Whataisatheariskaofascalpalacerations?A-ACORRECTAANSWERSA-
scalpahasaaagenerousabloodasupply,asoatheyacanaresultainamajorabloodaloss,ahemorrhagicas
hock,aandaevenadeath...aespaptsawhoaareasubjectedatoalongatransportatimes
Ofatheameninges,awhataisatheatoughafibrousamembraneathataadheresatoatheainternalasurface
aofatheaskulla&aenclosesathealargeavenousasinusesathataprovideatheamajoravenousadrainagea

fromatheabrain?A-ACORRECTAANSWERSA-duraamata

*lacerationaofatheseasinusesacanaresultainamassiveahemorrhage
Meningealaarteriesaareabetweenatheaduraaandainternalasurfaceaofatheaskullawithinatheaepidur
alaspace...aoverlyingaskullafracturesacanalacerateatheseaandacauseaanaepiduralahematoma..
.awhataisatheamostacommonlyainjuredameningealavessel>A-ACORRECTAANSWERSA-
middleameningealaartery...alocatedaoveratheatemporalafossa

*expandingahematomaafromaarterialainjuryacanaleadatoarapidadeteriorationaandadeath
Theathin,atransparentalayerabeneathatheaduraaisatheaarachnoidamater.aduraaandaarachnoida
areanotaconnected,asoathereaisaaapotentialaspacea(subduralaspace).awhatamayahappenainathi
saareaadueatoabrainainjury?A-ACORRECTAANSWERSA-
bridgingaveinsathatatravelafromatheasurfaceaofatheabrainatoavenousasinusesawithinatheaduraa
materamayatear...aleadingatoaformationaofasubduralahematoma
Thea3rdalayeraofatheameninges,atheapiaamater,aisafirmlyaattachedatoatheasurfaceaofatheabrain.
atheasubarachnoidaspaceaisatheaspaceabetweenatheapiaaandaarachnoid.awhatafillsathisaspace

?A-ACORRECTAANSWERSA-
cerebrospinalafluida(CSF)afillsatheaspaceabetweenatheawatertightaarachnoidaandapia...awhic
hacushionsatheabrainaandaspinalacorda

*hemorrhageainathisaspaceafrequentlyaaccompaniesabrainacontusionaandainjuriesatoamajora
bloodavesselsaatabaseaofabrain

, Whatahemisphereaofatheacerebrumacontainsathealanguageacenterainavirtuallyaallarightahande
dapeoplea&A>85%aleftahandedapeople?A-ACORRECTAANSWERSA-leftahemisphere
Whatalobeaofacerebrumacontrolsaexecutiveafx,Aemotions,amotorafx,aanda(onatheadominantasi
de)aexpressionaofaspeech?A-ACORRECTAANSWERSA-frontalalobe
Whatalobeadirectsasensoryafxaandaspacialaorientation?A-ACORRECTAANSWERSA-
parietalalobe
Whatalobearegulatesacertainamemoryafunctions?A-ACORRECTAANSWERSA-temporalalobe
Whatalobeaisaresponsibleaforavision?A-ACORRECTAANSWERSA-occipitalalobe
Theabrainstemaisacomposedaofamidbrain,Apons,aandamedulla...awhataregionacontainsatheare
ticularaactivatingasystemawhichaisaresponsibleaforastateaofaalertness?A-
ACORRECTAANSWERSA-midbrainaandaupperapons

Whatapartaofatheabrainstemacontainsatheavitalacardiorespiratoryacentersawhichaextendadow
nwardatoaconnectawithaspinalacord?A-ACORRECTAANSWERSA-medulla
Whatastructureaisamainlyaresponsibleaforacoordinationaandabalance,aprojectsaposteriorlyaint
oaposteriorafossaaandaconnectsatoatheaspinalacord,Abrainstem,aandacerebralahemispheres?A
-ACORRECTAANSWERSA-cerebellum
Theaventriclesaareaaasystemaofacsfafilledaspacesaandaaqueductsawithinatheabrain...acsfaisapro
ducedabyaventriclesaandaconstantlyaabsorbedaoveratheasurfaceaofatheabrain.awhatacanaoccu
rawithatheapresenceaofabloodawithinatheacsf?A-ACORRECTAANSWERSA-
bloodawithinatheacsfacanaimpairaitsareabsorption,athusaincreasingaintracranialapressure....ae
demaaandamassalesionsa(hematomas)acanacauseaeffacementaorashiftingaofanormallyasymm
etricaventricles
Whatatoughameningealapartitionsadividesatheaintracranialacavityaintoasupratentorialaandainfr
atentorialacompartments?A-ACORRECTAANSWERSA-tentoriumacerebelli
Whatadoesatheamidbrainapassathrough?A-ACORRECTAANSWERSA-tentorialahiatusaoranotch
Whatanervearunsaalongatheaedgeaofatheatentoriumaandamayabecomeacompressedaagainstaita
duringatemporalalobeahermiation?A-ACORRECTAANSWERSA-oculomotoranervea(CNIII)
Whereadoatheaparasympatheticafibersathataconstrictatheapupilalie?A-
ACORRECTAANSWERSA-

surfaceaofacnaiii...asoacompressionaofatheseaduringaherniationacausesapupillaryadilationaduea
toaunopposedasympatheticaactivitya(akaa"blownapupil")
Whatapartaofatheabrainatypicallyaherniatesathroughatheatentorialanotch?A-
ACORRECTAANSWERSA-medialapartaofatemporalalobe...atheauncus

*uncalaherniationacausesacompressionaofacorticospinalatractainatheamidbrain
Whatacrossesatoatheaoppositeasideaatatheaforamenamagnum?A-ACORRECTAANSWERSA-
motoratract

*thus,acompressionaatathealevelaofatheamidbrainaresultsainaweaknessaofatheaoppositeasideaof
abody...A"contralateralahemiparesis")

Whataisatheaclassicasignaofauncalaherniation?A-ACORRECTAANSWERSA-
ipsilateralapupillaryadilatationaassociatedawithacontralateralahemiparesis

*redatext*
Whatacanaelevationaofaintracranialapressureacause?A-ACORRECTAANSWERSA-
reducedacerebralaperfusiona&Acause/exacerbateaischemia

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ATLS Module 6 - Head trauma Questions and Answers 2025

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