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m m m m
OLOGY, 13TH EDITION, JAMES W. KA
m m m m m
LAT
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Name: Class: Date:
Chapter 01 m
1. Dendritesmcontain mthemnuclei,mribosomes,mmitochondria, mand mothermstructuresmfound min mmostmcells.
a. True
b. False
ANSWER:m False
2. Neuronsmreceiveminformation mand mtransmitmitmto mothermcells.
a. True
b. False
ANSWER:m True
3. Santiago mRamón my mCajalmused mspecialmstainingmtechniquesmto mrevealmthatmthembrain mismcomposed mof mindividualmcells.
a. True
b. False
ANSWER:m True
4. An mefferentmaxon mcarriesminformation maway mfrommamstructure.
a. True
b. False
ANSWER:m True
5. Themgreatermthemsurface mareamof mamdendrite,mthemmoreminformation mitmcan mreceivemfrommothermneurons.
a. True
b. False
ANSWER:m True
6. Neuronsmaremdistinguished mfrommothermcellsmby mtheirmshape.
a. True
b. False
ANSWER:m True
7. Themrolemof mglialmcellsmismto mactmlikem“glue”mormscaffoldingmto msupportmthemneurons.
a. True
b. False
ANSWER:m False
8. Glialmcellsmtransmitminformation macrossmlongmdistances.
a. True
b. False
ANSWER:m False
9. Theremaremtwomtypesmofmglialmcellsmthatmproducemmyelin msheath.mInmthemcentralmnervousmsystem,mSchwannmcellsmfulfill
thismrolemand,min mthemperiphery,moligodendrocytesmproduce mit.
m
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Chapter 01 m
a. True
b. False
ANSWER:m False
10. Themblood-brain mbarriermismmademup mof mclosely mpacked mglialmcells.
a. True
b. False
ANSWER:m False
11. Themdifference min mvoltagemin mamrestingmneuron mismcalled mthemrestingmpotential.
a. True
b. False
ANSWER:m True
12. Increasingmthemelectricalmgradientmformpotassium mwillmreducemthemtendency mformpotassium mionsmto mexitmthemneuron.
a. True
b. False
ANSWER:m True
13. Atmthemrestingmpotential,mthempotassiummchannelsmaremcompletely mclosed mand mthemsodiummchannelsmaremalmostmclosed.
a. True
b. False
ANSWER:m False
14. Dr.mSkinnermismworkingmin mthemlabmmeasuringmthemvoltagemofmneurons,mandmduringmonemcondition,mshemtriedmto mdepol
arizemthemneuronsmfromm-70 mmVmto m-80 mmV.
a. True
b. False
ANSWER:m False
15. Action mpotentialsmcan mbemproduced min mthemdendritesmof msomemneurons.
a. True
b. False
ANSWER:m False
16. Themtwo mbasicmkindsmof mcellsmin mthemnervousmsystemmarem .
a. neuronsmand mglia
b. dendritesmand maxons
c. ribosomesmand mlysosomes
d. neuronsmand maxons
ANSWER:m a
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Chapter 01 m
17. Santiago mRamon my mCajalmdemonstrated mthatm .
a. atmrest,mthemneuron mhasmamnegativemchargeminsidemitsmmembrane
b. neuronsmaremseparatemfrommonemanother
c. neuronsmcommunicate matmspecialized mjunctionsmcalled msynapses
d. action mpotentialsmfollowmthemall-or-nonemlaw
ANSWER:m b
18. Both m and m shared mthemNobelmPrizemformPhysiology mormMedicinemin m1906.
a. Golgimand mCajal
b. Cajalmand mSherrington
c. Sherrington mand mGolgi
d. Cajalmand mKalat
ANSWER:m a
19. Dr.mKimimstudiesmthemplasmammembrane mof mneurons.mHemspecifically mresearchesmthemspecialized m
thatmallowmin mimportantmthingsmlikemwater,moxygen,msodium,mand mso mon.
a. lipid mchannels
b. protein mchannels
c. lipid mreceptors
d. protein mreceptors
ANSWER:m b
20. Neuronsmdiffermmostmstrongly mfrommothermbody mcellsmin mtheirm.
a. temperature
b. shape
c. osmoticmpressure
d. mitochondria
ANSWER:m b
21. Whatmdo mneuronsmhavemthatmothermcellsmdo mnot?
a. Amplasmammembrane
b. Large,mbranchingmextensions
c. Protein mchannels
d. An mendoplasmic mreticulum
ANSWER:m b
22. Dr.mMcLaughlin’smlabmstudiesmhowmnewlymformedmproteinsmaremfoldedminsidemneurons.mThey mwouldmbemmostmintereste
d min mstudyingmthem.
a. endoplasmic mreticulum
b. mitochondria
c. ribosomes
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