CNRN Week 1 Neurological Anatomy, Physiology, & Assessment Review Questions and Answers Updated 2026

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CNRN Week 1 Neurological Anatomy, Physiology, & Assessment Review Questions and Answers Updated 2026

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CNRN Week 1 Neurological Anatomy, Physiology, & Assessment Review Questions and Answers Updated 2026

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CNRN Week 1 Neurological Anatomy,
Physiology, & Assessment Review
Questions and Answers Updated
2026
HowMmanyMcranialMbonesMareMthere?MNameMthemM-MAnswerM8MCranialMBones

Frontal,MParietalMx2,MTemporalMx2,MOccipital,MSphenoid,MEthmoid

WhatMareMtheMthickestMcranialMbones?M-MAnswerMFrontalMandMOccipital

WhatMisMtheMMonroe-KellieMHypothesis?M-MAnswerM-MTheMskullMisMaMfixedMbox

-MMadeMofM3Mcomponents

M-MBrainM(80%)

M-MCSFM(10%)

M-MBloodM(10%)

-MItMmaintainedMhomeostasisM-
MMeaningMthatManMincreaseMinMoneMneedsMtoMdecreaseMoneMorMtwoMofMtheMother.

WhatMareMtheM3McomponentsMofMtheMmeninges?M-MAnswerMDuraMmater

ArachnoidMmater

PiaMmater

DuraMMaterM-MAnswerM-MThickest

-MOuterMlayerMliningMskull

-MNonMelastic

-MUnderMtheMbone

-MVascular

,ArachnoidMMaterM-MAnswerM-MMiddleMlayer

-MSubarachnoidMspace

-MConsistMofMbloodMvesselsMandMCSF

-MArachnoidMvilliM-MreabsorbMCSF

-MNoneMvascular

PiaMMaterM-MAnswerM-MInnermostMlayer

-MAdheresMtoMtheMbrain

-MChoroidMplexusM-MproducesMCSFM

-MVascular

-MThickerMinMspine

CerebralMSpinalMFluidM(CSF)M-MAnswerM-MFunctionsMasMaMcushion

-MProducedMbyMchoroidMplexusM

-MAbsorbedMbyMarachnoidMvilliMandMdumpedMbackMintoMcirculationMviaMvenousMsinuses

HowMmuchMCSFMisMproducedMdaily?MAndMwhereMisMitMproduced?M-
MAnswerM500MmLMproduced

ProducedMbyMtheMchoroidMplexus

WhatMisMtheMCSFMflowMpathway?M-MAnswerM-MForamenMofMmonro

-M3rdMventricle

-MCerebralMAqueduct

-M4thMventricle

-MOutMthroughMsubarachnoidMspace

-MDownMintoMspinalMarachnoidMspace

GrayMMatterM-MAnswerMCellMbodies

Unmyelinated

, WhereMsynapsisMoccur

ThinkingMareaMofMtheMbrainM-MCognition,Mmemory,MthroughMandMpersonality

95%MofMoxygenMinMtheMbrainMgoesMthroughMhere

AlcoholicsMandMsmokersMhaveMdecreaseMinMthisMtypeMofMmatterMdueMtoMatrophy

WhiteMMatterM-MAnswerMNeurons

Myelinated

NetworkMofMfibersMthatMenableMtheMgrayMmatterMofMtheMbrainMtoMcommunicateMwith
MeachMother

CorpusMCollosumM-
MAnswerMRelaysMinformationMbetweenMtheMrightMandMleftMhemispheres

OnlyMconnectionMpoint

ThickMbandMofMnerveMfibers

PrimaryMfunctionMisMtoMintegrateMmotor,Msensory,MandMcognitionMfromMonMsideMtoMth
eMother.M

AllowsMforMseizuresMtoMtravelMfromMoneMsideMofMtheMbrainMtoMtheMother

FrontalMLobeM-MAnswerM-MCharacteristics:

M-MPersonality

M-MJudgementM

M-MInhibition

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Number of pages: 16
Written in: 2025/2026
Type: Exam (elaborations)
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