Ch 10-Nervous System: Nervous Tissue
and Brain - The Human Body in Health
and Illness
Central bNervous bSystem b(CNS) b- bcorrect banswers✔✔contains bthe bbrain band bthe
bspinal bcord
Peripheral bNervous bSystem b- bcorrect banswers✔✔consist bof bnerves bthat bconnect
bthe bbrain band bthe bspinal bcord bwith bthe brest bof bthe bbody
Motor bnerves b- bcorrect banswers✔✔nerves bthat bcarry bout bthe bplans bmade bby bthe
bCNS; balso bdescribed bas befferent bnerves
Sensory bnerves b- bcorrect banswers✔✔nerves bthat bgather binformation bfrom bthe
benvironment band bcarry bit bto bthe bCNS; balso bdescribed bas bafferent bnerves
Integrative bfunction b- bcorrect banswers✔✔has bthe bdecision-making bcapability; bthe
bprocessing band binterpretation bof binformation bby bthe bcells bof bthe bCNS
Which btype bof bnerve bcell bdoes bnot bundergo bmitosis? b- bcorrect banswers✔✔Neuron
Astrocyte b- bcorrect banswers✔✔Common btype bof bglial bcell bthat bsupports band
bprotects bthe bneurons; bhelps bform bthe bblood-brain bbarrier
Ependymal bcells b- bcorrect banswers✔✔type bof bglial bcell bthat blines bthe binside
bcavities bof bthe bbrain; bhelps bform bthe bcerebrospinal bfluid bas
Microglia b- bcorrect banswers✔✔Protective brole; bphagocytosis bof bpathogens band
bdamaged btissue
Schwann bcells b- bcorrect banswers✔✔glial bcells bthat bform bthe bmyelin bsheath bin bthe
bperipheral bnervous bsystem
Oligodendrocrytes b- bcorrect banswers✔✔Produce bmyelin bsheath bfor bneurons bin bthe
bcentral bnervous bsystem
Ganglia b- bcorrect banswers✔✔clusters bof bcell bbodies blocated bin bthe bperipheral
bnervous bsystem
, Nuclei b- bcorrect banswers✔✔Plural bfor bNucleus.
Neuroglia b(glia) b- bcorrect banswers✔✔nerve bglue; bcomposed bof bastrocytes,
bependymal bcells, bmicroglia, band boligodendrocytes
Cell bbody b- bcorrect banswers✔✔part bof bthe bneuron bthat bcontains bthe bnucleus;
bdendrites bbring binformation bto bthis bstructure, band bthe baxon bcarries binformation
baway bfrom bthis bstructure
Axon b- bcorrect banswers✔✔part bof bthe bneuron bthat btransmits binformation baway
bfrom bthe bcell bbody
Axon bterminal b- bcorrect banswers✔✔part bof bthe baxon bwhere bthe bneurotransmitters
bare bstored
nodes bof bRanvier b- bcorrect banswers✔✔short bsegments bof bthe baxonal bmembrane
bthat bare bnot bcovered bby bmyelin bsheath; ballows bfor bsaltatory bconduction bof bthe
bnerve bimpulse
Neurilemma b- bcorrect banswers✔✔layes bof bcells bthat bcovers bthe baxons bof
bperipheral bneurons; bconcerned bwith bnerve bregeneration
Myelin bsheath b- bcorrect banswers✔✔white bfatty bmaterial bthat bsurrounds bthe baxon;
bincreases bthe brate bat bwhich bthe belectrical bsignal btravels balong bthe baxon
Dendrites b- bcorrect banswers✔✔treelike bpart bof bthe bneuron bthat breceives
binformation bfrom banother bneuron; btransmits bthat binformation btoward bthe bcell bbody
acetylcholine b- bcorrect banswers✔✔a bcommon bneurotransmitter
Chief bextracellular bcation b- bcorrect banswers✔✔Sodium b(Na+)
Chief bintracellular bcation b- bcorrect banswers✔✔Potassium b(K+)
Depolarization b- bcorrect banswers✔✔the bfirst bphase bof bthe baction bpotential bcaused
bby ban binward bmovement bof bsodium b(Na+); bthe binside bof bthe bneuron bbecomes
bpositively bcharged
Polarization b
aka bResting bMembrane bPotential b(RMP) b- bcorrect banswers✔✔the binside bof bthe
bunstimulated bneuron bis bnegative; belectrical bcharge bis bcaused bby bthe boutward bleak
bof bpotassium b(K+)
Action bpotential b- bcorrect banswers✔✔the bchanges bin belectrical bcharge bacross bthe
bmembrane bduring bdepolarization band brepolarization; balso bcalled bnerve bimpulse
and Brain - The Human Body in Health
and Illness
Central bNervous bSystem b(CNS) b- bcorrect banswers✔✔contains bthe bbrain band bthe
bspinal bcord
Peripheral bNervous bSystem b- bcorrect banswers✔✔consist bof bnerves bthat bconnect
bthe bbrain band bthe bspinal bcord bwith bthe brest bof bthe bbody
Motor bnerves b- bcorrect banswers✔✔nerves bthat bcarry bout bthe bplans bmade bby bthe
bCNS; balso bdescribed bas befferent bnerves
Sensory bnerves b- bcorrect banswers✔✔nerves bthat bgather binformation bfrom bthe
benvironment band bcarry bit bto bthe bCNS; balso bdescribed bas bafferent bnerves
Integrative bfunction b- bcorrect banswers✔✔has bthe bdecision-making bcapability; bthe
bprocessing band binterpretation bof binformation bby bthe bcells bof bthe bCNS
Which btype bof bnerve bcell bdoes bnot bundergo bmitosis? b- bcorrect banswers✔✔Neuron
Astrocyte b- bcorrect banswers✔✔Common btype bof bglial bcell bthat bsupports band
bprotects bthe bneurons; bhelps bform bthe bblood-brain bbarrier
Ependymal bcells b- bcorrect banswers✔✔type bof bglial bcell bthat blines bthe binside
bcavities bof bthe bbrain; bhelps bform bthe bcerebrospinal bfluid bas
Microglia b- bcorrect banswers✔✔Protective brole; bphagocytosis bof bpathogens band
bdamaged btissue
Schwann bcells b- bcorrect banswers✔✔glial bcells bthat bform bthe bmyelin bsheath bin bthe
bperipheral bnervous bsystem
Oligodendrocrytes b- bcorrect banswers✔✔Produce bmyelin bsheath bfor bneurons bin bthe
bcentral bnervous bsystem
Ganglia b- bcorrect banswers✔✔clusters bof bcell bbodies blocated bin bthe bperipheral
bnervous bsystem
, Nuclei b- bcorrect banswers✔✔Plural bfor bNucleus.
Neuroglia b(glia) b- bcorrect banswers✔✔nerve bglue; bcomposed bof bastrocytes,
bependymal bcells, bmicroglia, band boligodendrocytes
Cell bbody b- bcorrect banswers✔✔part bof bthe bneuron bthat bcontains bthe bnucleus;
bdendrites bbring binformation bto bthis bstructure, band bthe baxon bcarries binformation
baway bfrom bthis bstructure
Axon b- bcorrect banswers✔✔part bof bthe bneuron bthat btransmits binformation baway
bfrom bthe bcell bbody
Axon bterminal b- bcorrect banswers✔✔part bof bthe baxon bwhere bthe bneurotransmitters
bare bstored
nodes bof bRanvier b- bcorrect banswers✔✔short bsegments bof bthe baxonal bmembrane
bthat bare bnot bcovered bby bmyelin bsheath; ballows bfor bsaltatory bconduction bof bthe
bnerve bimpulse
Neurilemma b- bcorrect banswers✔✔layes bof bcells bthat bcovers bthe baxons bof
bperipheral bneurons; bconcerned bwith bnerve bregeneration
Myelin bsheath b- bcorrect banswers✔✔white bfatty bmaterial bthat bsurrounds bthe baxon;
bincreases bthe brate bat bwhich bthe belectrical bsignal btravels balong bthe baxon
Dendrites b- bcorrect banswers✔✔treelike bpart bof bthe bneuron bthat breceives
binformation bfrom banother bneuron; btransmits bthat binformation btoward bthe bcell bbody
acetylcholine b- bcorrect banswers✔✔a bcommon bneurotransmitter
Chief bextracellular bcation b- bcorrect banswers✔✔Sodium b(Na+)
Chief bintracellular bcation b- bcorrect banswers✔✔Potassium b(K+)
Depolarization b- bcorrect banswers✔✔the bfirst bphase bof bthe baction bpotential bcaused
bby ban binward bmovement bof bsodium b(Na+); bthe binside bof bthe bneuron bbecomes
bpositively bcharged
Polarization b
aka bResting bMembrane bPotential b(RMP) b- bcorrect banswers✔✔the binside bof bthe
bunstimulated bneuron bis bnegative; belectrical bcharge bis bcaused bby bthe boutward bleak
bof bpotassium b(K+)
Action bpotential b- bcorrect banswers✔✔the bchanges bin belectrical bcharge bacross bthe
bmembrane bduring bdepolarization band brepolarization; balso bcalled bnerve bimpulse
