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Exam 3: BSC2085/ BSC 2085 (Latest 2024/ 2025 Update) Anatomy and Physiology I | Complete Guide | Qs & As| 100% Correct| Grade A (Verified Answers)
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Exam 3: BSC2085/ BSC 2085 (Latest 2024/ 2025 Update) Anatomy and Physiology I | Complete Guide | Qs & As| 100% Correct| Grade A (Verified Answers)
Q: approximately how many sensory neurons are there in the body?
Answer:
10 million
Q: Three Functional Classifications of Neurons
Answer...
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1. Exam (elaborations) - Exam 3: bsc2085/ bsc 2085 (latest 2024/ 2025 update) anatomy and physiology i | guide...
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1. Exam (elaborations) - Final exam: bsc2085/ bsc 2085 (latest 2024/ 2025 update) anatomy and physiology i | q...
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3. Exam (elaborations) - Exam 4: bsc2085/ bsc 2085 (latest 2024/ 2025 update) anatomy and physiology i | qs & ...
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1. Exam (elaborations) - Final exam: bsc2085/ bsc 2085 (latest 2024/ 2025 update) anatomy and physiology i | q...
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3. Exam (elaborations) - Exam 1: bsc2085/ bsc 2085 (latest 2024/ 2025 update) anatomy and physiology i | qs & ...
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Examl3:lBSC2085/lBSCl2085l(Latestl2024/
l2025lUpdate)lAnatomylandlPhysiologylIl|
lCompletelGuidel|lQsl&lAs|l100%lCorrect|l
GradelAl(VerifiedlAnswers)
Q:lapproximatelylhowlmanylsensorylneuronslareltherelinlthelbody?
Answer:
10lmillion
Q:lThreelFunctionallClassificationsloflNeurons
Answer:
1.lSensorylneurons
l-AfferentlneuronsloflPNS
2.lMotorlneurons
l-EfferentlneuronsloflPNS
3.lInterneurons
l-Associationlneurons
Q:lFunctionsloflSensorylNeurons
Answer:
1.lMonitorlinternallenvironmentl(viscerallsensorylneurons)
2.lMonitorleffectsloflexternallenvironmentl(somaticlsensorylneurons)
Q:lStructuresloflSensorylNeurons
Answer:
1.lUnipolarl*(mostly)*
2.lCelllbodieslgroupedlinlsensorylganglia
*alganglionlislalcollectionloflneuronlcelllbodieslinlthelPNS*
3.lProcessesl(afferentlfibers)lextendlfromlsensorylreceptorsltolCNS
Q:lThreeltypesloflSensorylReceptors
,Answer:
1.lInterocepters
2.lExterocptors
3.lProprioceptors
Q:lInteroceptors
Answer:
1.lMonitorlinternallsystemsl(digestive,lrespiratory,lcardiovascular,lurinary,lreproductive)l
2.lInternallsensesl(taste,ldeeplpressure,lpain)
Q:lExteroceptors
Answer:
1.lExternallsensesl(touch,ltemperature,lpressure)
2.lDistancelsensesl(sight,lsmell,lhearing)
Q:lProprioceptors
Answer:
Monitorlpositionlandlmovementl(skeletallmuscleslandljoints)
Q:lMotorlNeurons
Answer:
1.lCarrylinstructionslfromlCNSltolperipheralleffectorsl
2.lVialefferentlfibersl(axons)
3.lTwolmajorlefferentlsystems
Q:lTwolmajorlefferentlsystems
Answer:
1.lSomaticlNervouslSysteml(SNS)
2.lAutonomic(viscerallNervouslSysteml(ANS)
Q:lapproximatelylhowlmanylmotorlneuronslarelinlthelbody?
Answer:
1/2lmillionl(500,000)
,Q:lSomaticlNervouslSysteml(SNS)
Answer:
Includeslalllsomaticlmotorlneuronslthatlinnervatelskeletallmusclesl(voluntary)
Q:lAutonomicl(visceral)lnervouslsysteml(ANS)
Answer:
1.lViscerallmotorlneuronslinnervatelalllotherlperipheralleffectorsl(involuntary)
l-Smoothlmuscle,lcardiacl
lmuscle,lglands,ladiposel
ltissue
Q:lInterneurons
Answer:
Mostlarellocatedlinlbrain,lspinallcord,landlautonomiclganglia
1.lApprox.l20lbillionlinlbody
2.lFoundlbetweenlsensorylandlmotorlneurons
Q:lInterneuronslarelresponsiblelfor
Answer:
1.lDistributionloflsensorylinformation
2.lCoordinationloflmotorlactivity
Q:lInterneuronslarelinvolvedlinlhigherlfunctions
Answer:
Memory,lplanning,llearning
Q:lNeuroglia
Answer:
1.lHalflthelvolumeloflthelnervouslsystem
2.lManyltypesloflneuroglialinlCNSlandlPNS
Q:lfourltypesloflneuroglia
Answer:
, 1.lEpendymallcellsl
2.lMicroglial
3.lOligodendrocytesl
4.lAstrocytes
Q:lEpendymallcells
Answer:
Cellslwithlhighlylbranchedlprocesses
*lackslbasementlmembrane*
Q:lMicroglia
Answer:
Smallestlandlleastlnumerouslneuroglialwithlmanylfine-branchedlprocesses
Q:lOligodendrocytes
Answer:
Smallerlcelllbodieslwithlfewerlprocesseslthatlwraplaroundlaxonsloflneurons
Q:lAstrocytes
Answer:
Largelcelllbodieslwithlmanylprocesses
*Mayldividlandldifferentiatelintolmorelneurons,lunknownlregulatorylmechanism*
Q:lFuctionsloflEpendymallcells
Answer:
1.lFormlepitheliumlcalledlependyma
2.lLinelcentrallcanalloflspinallcordlandlventriclesloflbrain
*lackslbasementlmembrane*
l-Secretelcerebrospinall
lfluidl(CSF)l-lfillsl
lpassagewaysloflbrainlandl
lspinallcord
l-Havelcilialorlmicrovillilthatl
lcirculatelCSF
l-MonitorlCSF
l-Containlstemlcellslforl