CNS - Exam 1 Questions and Answers Updated 2026

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CNS - Exam 1 Questions and Answers Updated 2026

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Course CNS

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CNS - Exam 1 Questions and Answers Updated 2026

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CNS - Exam 1 Questions and
Answers Updated 2026
WhatMareMtheM6MsubdivisonsMofMNeuroscience?M-MAnswerM1.MNeuroanatomy

2.MNeurophysiology

3.MNeuropathology

4.MNeuropharmacology/Chemistry

5.MClinicalMNeurology-Neurosurgery

6.MChiropractic

WhatMtwoMsubdivisionsMofMtheMNervousMSystemM(N.S.)MareMclassifiedMbasedMonMstruct
ure?M-MAnswerM1.MCentralMNervousMSystemM(CNS)

2.MPeripheralMNervousMSystemM(PNS)

WhatMtwoMsubdivisonsMofMtheMNervousMSystemM(N.S.)MareMclassifiedMbasedMonMfunctio
n?M-MAnswerM1.MSomaticMcomponentMofMtheMNervousMSystem

2.MVisceral/AutonomicMcomponentMofMtheMNervousMSystem

WhatMareMtheMtwoMmajorMcomponentsMofMtheMCNS?M-MAnswerM1.MBrainM(encephalon)

2.MSpinalMCordM(MedullaMSpinalis)

HowMmanyMpairsMofMcranialMnervesMareMthereMinMtheMPNS?M-MAnswerM12

HowMmanyMpairsMofMspinalMnervesMareMthereMinMtheMPNS?M-MAnswerM31

WhatMareMgangliaM(sing.Mganglion)?M-
MAnswerMGroupsMofMneuronMcellMbodiesMclusteredMtogetherMinMtheMPNS

WhatMstructuralMdivisionMofMtheMN.S.McanMyouMfindMganglia?M-MAnswerMPNS

DefineMinnervation.M-MAnswerMToMsupplyM(anMorganMorMaMbodyMpart)MwithMnerves.

SOURCE:Mhttp://www.thefreedictionary.com/Innervation

, WhatMfunctionalMdivisionMofMtheMN.S.MinnervatesMskeletalMmusculature?M-
MAnswerMSomaticMcomponentMofMtheMNervousMSystem

WhatMstructuralMcomponentsMofMtheMN.S.McanMbeMfoundMinMtheMSomaticMNervousMSy
stem?M-MAnswerMBothM(theMCNSMandMtheMPNS)

TheMSomaticMNervousMSystemMisMcholinergic.MWhatMdoesMthisMmean?M-
MAnswerMAcetylcholineMisMprincipleMchemicalMreleasedMbyMtheMsomaticMaxonMendings

WhatMkindMofMactionMdoesMAcetylcholineMhaveMonMtheMskeletalMmusculature?M-
MAnswerMExcitatoryMaction...MRawr

WhatMtwoMtypesMofMnerveMfibersMareMinvolvedMwithMtheMSomaticMNervousMSystem?M-
MAnswerMEfferentMandMAfferentMnerveMfibers

DefineMefferentMnerveMfiber.M-
MAnswerMDirectionallyMoutgoingMcellMalignmentMwithMrespectMtoMtheMCNS;MthinkMeffect
M-MtheMintegratedMresponseMtoMaMstimulus

DefineMafferentMnerveMfiber.M-
MAnswerMDirectionallyMincomingMcellMalignmentMwithMrespectMtoMtheMCNS;MthinkMaffect
M-MtheMelectricalMimpulseMtravelingMtoMtheMbrainMfromMaMstimulus

IsMtheMSomaticMNervousMSystemMvoluntaryMorMinvoluntary?M-MAnswerMVoluntary.

InMaMNervousMSystemMschematic,MwhatMroleMdoesMaMdendriteMplayM(withMrespectMto
MaMcellMbody)?M-MAnswerMSendsMaM"signal"MtoMtheMcellMbody

InMaMNervousMSystemMschematic,MwhatMroleMdoesMaMaxonMplayM(withMrespectMtoMaM
cellMbody)?M-MAnswerMSendsMaM"signal"MawayMfromMtheMcellMbody

WhatMroleMdoesMaMexcitatoryMactionMplayMonMaMskeletalMmuscleMcell?M-
MAnswerMItMcausesMitMtoMcontract

WhatMthreeMmajorMrolesMdoesMtheMN.S.Mhave?M-
MAnswerM1.MCoordinationM(coordinationMofMvoluntaryMmovements)

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