ANATOMY AND PHYSIOLOGY HON
MODULE 3 MODULE EXAM
QUESTIONS AND ANSWERS RATED
A+ 2025/2026
Namekandkdescribekthekkeykcomponentskofkthektwokmajorkdivisionskofktheknervousksystemk-
kCORRECTkANSWERSkTheknervousksystemkiskresponsiblekforkcoordinatingkmotorkfunctions
CentralkNervouskSystem:k
-
Responsiblekforkprocessingkandkinterpretingksignalskfromktheksenseskandkthekbody'skinnerkorgans,k
andkprogrammingkreflexeskandkinstincts
-BrainkandkSpinalkCord
PeripheralkNervouskSystem:
-Responsiblekforksendingkinformationktokandkfromkthekbrainkandkspinalkcordk
-Nerves
Identifykthekstructurekandkfunctionkofkarachnoidkmaterk-
kCORRECTkANSWERSkArachnoidkMatter:kthekmiddleklayerkofkthekmeninges.kThisknet-
likekmembranekincludeskaksubarchnoidkspacekthatkcontainskcerebrospinalkfluid.
Whatkrolekdoksensorykfiberskplaykinktheknervousksystem?k-
kCORRECTkANSWERSkSensorykNerves:kfiberskthatkconveykmessagesktowardkthekcentralknervousksys
temk(brainkandkspinalkcord)
Whatkiskwhitekmatterksurroundingkthekbrainkmadekupkof?k-
kCORRECTkANSWERSkbundleskofknervekfibers
, Describekthekcerebrospinalkfluidk-
kCORRECTkANSWERSkCerebrospinalkFluid:k(SpinalkFluid)kcirculateskthroughkthekspaceskbetweenkth
ekmeninges,kprotectingkthekCNSkfromkinjurykbykspreadingkthekforcekofkimpactkoverkaklargerkarea.kAl
sokremoveskmetabolickwastekfromkthekCNS
Whatkrolekdoeskthekperipheralknervousksystemkplaykthroughoutkthekbody?k-
kCORRECTkANSWERSkThekPNSkconnectskthekCNSktoktheklimbskandkorgansk
SensorykSomatickNervouskSystem:kakvoluntaryksystemkthatkinterpretsksignalskreceivedkfromkthekse
nseskandkrespondsktokthemk
AutonomickNervouskSystem:kankinvoluntaryksystemkthatkisknotkunderkconsciouskcontrolkandkiskresp
onsiblekforkmakingksurekthatkallkthekthingskthekbodykneedsktokdokarekdonekinkorderktokkeepkyoukgoi
ngk(ex:kbreathing
Wherekwillkyoukfindkmyelinksheaths,kandkwhatkrolekdoktheykplay?k-
kCORRECTkANSWERSkinkwhitekmatter
MyelinkSheaths:kthekfattykproteinkthatkmakeskwhitekmatterkwhite.kWhitekmatterkcoverskthekoutsid
ekofkthekspinalkcordkandkpartskofkthekbrain.
Describekthekdifferencekbetweenkthekmakeupkofkwhitekmatterkandkgraykmatterk-
kCORRECTkANSWERSkGraykMatter:k
-madekupkofkneuronskandkinnerknuerons.k
-graykbecausekofkankabsencekofkmeylinksheaths
WhitekMatter:
-coverkthekoutsidekofkthekspinalkcordkandkpartskofkthekbrain
-madekupkofkbundleskofknervekfibers
-whitekbecausekitkiskcoveredkwithkmyelinksheaths,kakfattykprotein
MODULE 3 MODULE EXAM
QUESTIONS AND ANSWERS RATED
A+ 2025/2026
Namekandkdescribekthekkeykcomponentskofkthektwokmajorkdivisionskofktheknervousksystemk-
kCORRECTkANSWERSkTheknervousksystemkiskresponsiblekforkcoordinatingkmotorkfunctions
CentralkNervouskSystem:k
-
Responsiblekforkprocessingkandkinterpretingksignalskfromktheksenseskandkthekbody'skinnerkorgans,k
andkprogrammingkreflexeskandkinstincts
-BrainkandkSpinalkCord
PeripheralkNervouskSystem:
-Responsiblekforksendingkinformationktokandkfromkthekbrainkandkspinalkcordk
-Nerves
Identifykthekstructurekandkfunctionkofkarachnoidkmaterk-
kCORRECTkANSWERSkArachnoidkMatter:kthekmiddleklayerkofkthekmeninges.kThisknet-
likekmembranekincludeskaksubarchnoidkspacekthatkcontainskcerebrospinalkfluid.
Whatkrolekdoksensorykfiberskplaykinktheknervousksystem?k-
kCORRECTkANSWERSkSensorykNerves:kfiberskthatkconveykmessagesktowardkthekcentralknervousksys
temk(brainkandkspinalkcord)
Whatkiskwhitekmatterksurroundingkthekbrainkmadekupkof?k-
kCORRECTkANSWERSkbundleskofknervekfibers
, Describekthekcerebrospinalkfluidk-
kCORRECTkANSWERSkCerebrospinalkFluid:k(SpinalkFluid)kcirculateskthroughkthekspaceskbetweenkth
ekmeninges,kprotectingkthekCNSkfromkinjurykbykspreadingkthekforcekofkimpactkoverkaklargerkarea.kAl
sokremoveskmetabolickwastekfromkthekCNS
Whatkrolekdoeskthekperipheralknervousksystemkplaykthroughoutkthekbody?k-
kCORRECTkANSWERSkThekPNSkconnectskthekCNSktoktheklimbskandkorgansk
SensorykSomatickNervouskSystem:kakvoluntaryksystemkthatkinterpretsksignalskreceivedkfromkthekse
nseskandkrespondsktokthemk
AutonomickNervouskSystem:kankinvoluntaryksystemkthatkisknotkunderkconsciouskcontrolkandkiskresp
onsiblekforkmakingksurekthatkallkthekthingskthekbodykneedsktokdokarekdonekinkorderktokkeepkyoukgoi
ngk(ex:kbreathing
Wherekwillkyoukfindkmyelinksheaths,kandkwhatkrolekdoktheykplay?k-
kCORRECTkANSWERSkinkwhitekmatter
MyelinkSheaths:kthekfattykproteinkthatkmakeskwhitekmatterkwhite.kWhitekmatterkcoverskthekoutsid
ekofkthekspinalkcordkandkpartskofkthekbrain.
Describekthekdifferencekbetweenkthekmakeupkofkwhitekmatterkandkgraykmatterk-
kCORRECTkANSWERSkGraykMatter:k
-madekupkofkneuronskandkinnerknuerons.k
-graykbecausekofkankabsencekofkmeylinksheaths
WhitekMatter:
-coverkthekoutsidekofkthekspinalkcordkandkpartskofkthekbrain
-madekupkofkbundleskofknervekfibers
-whitekbecausekitkiskcoveredkwithkmyelinksheaths,kakfattykprotein