Name: Class: Date:
Chapter01
1. Dendriteskcontainthenuclei, ribosomes,kmitochondria,kandkot herstruct uresfk k ou n di n kmost
.A A .A .A cells.
a. True
b. False
ANSWER: False
2. Neuronsreceiveinformationk andt ransmitkitkto o therkcells.
.A A
. A.
a. True
b. False
ANSWER: True
3. SantiagokRamónk yCajalkusedk specialk k staining k k techniquestokrevealk thatk thekbrainiskcomposedofindividualk cells.
i . .
A
a. True
b. False
ANSWER: True
4. Ank efferent axonk carriesinformationk awayfrom k ak structure.
A i
a. True
b. False
ANSWER: True
5. Thegreaterktheksurfacekareakofkakdendrite,themorekinformationitkcanr eceivekfromotherkneurons.
A
.
a. True
b. False
ANSWER: True
6. Neuronsarekdistinguishedfromotherk cellsk bytheirshape.
A
a. True
b. False
ANSWER: True
7. Therolekofk gli al cellsi st okactlikek ―glue‖kork scaffoldingtok supporttheneurons.
A. .A .A
a. True
b. False
ANSWER: False
8. Glialkcellstransmitk informationkacrosslongdistances.
a. True
b. False
ANSWER: False
9. Therekarektwoktypeskofkglialkcellsthatkproducekmyelinksheath.kInkthekcentralknervousksystem,kSchwannkcellskfulfillkthiskr
olekand,kinkthekperiphery,koligodendrocyteskproducekit.
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a. True
b. False
ANSWER: False
10. Theblood-brainkbarrierismadek upkofcloselypackedkglialk cells.
a. True
b. False
ANSWER: False
11. Thedifferencein k voltagekinkakrestingneuronkisk calledthekrestingp otential.
.A A
.
a. True
b. False
ANSWER: True
12. Increasingtheelectricalk gradientkforpotassiumwillreducethetendencyforkpotassiumionsktoexitthek neuron.
a. True
b. False
ANSWER: True
13. Atk therestingp otential,thek potassiumck k hannels k arecompletelyclosedk and t hesodikumchannels k arkek almostk closed.
.A .A A. .A
a. True
b. False
ANSWER: False
14. Dr.kSkinnerkiskworkinginktheklabkmeasuringthekvoltagekofkneurons,kandkduringonekcondition,shektried to k A
depolarizekthekneuronskfromk-70kmVktok-80kmV.
a. True
b. False
ANSWER: False
15. Actionpotentialscan bek producedi nthekdendritesk ofk somek k neurons.
A
. A. A
.
a. True
b. False
ANSWER: False
16. Thetwokbasickkindsk ofkcells in t heknervousk systemare
.A A A. .
a. neuronsandk glia
b. dendriteskandk axons
c. ribosomeskandlysosomes
d. neuronsandaxons
ANSWER:a
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17. SantiagoRamonkyCajalkdemonstratedt hat A..
a. atrest,thekneuronkhasaknegativekchargeinsidekitskmembrane
A.
b. neuronsarekseparatekfromonek another
c. neuronscommuni cat ek atk k specializedjunctionscalledsynapses
.A A
.
d. actionpotentialsfollowtheall-or-nonelaw
.A
ANSWER:b
18. Both and sharedt hekNobelk PrizeforPhysiologyorkMedicinek in1906.
A
.
a. GolgikandkCajal
b. CajalkandSherrington
c. Sherringtonandk Golgi
d. CajalkandKalat
ANSWER:a
19. Dr.kKimikstudieskthekplasmakmembranekofkneurons.kHekspecificallykresearcheskthekspecialized
thatkallowinkimportantkthingsklikekwater,koxygen,ksodium,kandksokon.
a. lipid channelsA.
b. proteinchannels
c. lipidr eceptors
.
A
d. proteinreceptors
ANSWER:b
20. Neurons kdifferk mostk stronglyfrom kotherkbodycellsinktheir
i A
. .
a. temperature
b. shape
c. osmoticpressure
d. mitochondria
ANSWER:b
21. Whatd okneuronskhavekthatotherkcellskdoknot?
A
.
a. Aplasmak membrane
A
.
b. Large,branchingextensions
c. Proteinchannels
d. An e ndoplasmickreticulum
A.
ANSWER:b
22. Dr.kMcLaughlin’sklabkstudieskhowknewlyformedkproteinskarekfoldedinsidekneurons.kTheywouldkbekmostkinterestedkink
studyingkthe .
a. endoplasmic reticulum A.
b. mitochondria
c. ribosomes