Final Exam 1 Questions And Answers On Neuroscience

Final Exam 1 Questions And Answers
On Neuroscience
1.zAfterzlightzhitszanzobject,zwezarezableztozperceivezitszcolor.zHow?z-
zCORRECTzzANSWER-

Thezobjectzabsorbszsomezofzthezlightzandzreflectszthezrestzofzit.zWhichzwavelengthszarezrefl
ectedzorzabsorbedzdependszonzthezpropertieszofzthezobject,zandzwezcanzseezwhatzthezobjec
tzreflects.

1.zDescribezhowzazphotoreceptorzcellzcommunicateszwithzthezcellszaroundzit.z-
zCORRECTzzANSWER-

Thezrodszandzconeszdetectzlight,zandzreleasezneurotransmitters,zwhichzthenztravelztozthezn
extzphotoreceptor,zallowingzthemztozcommunicatezwithzeachzother

1.zDescribezhowzthezearztranslateszsoundzintozanzelectrochemicalzsignal.z-
zCORRECTzzANSWER-

Vibrationzhitszthezhairzcell,zcausingzitztozbend.zPotassiumzflowszinzwhenzthezhairzbends,zallo
wingzyouztozreachzthresholdzpotential.zNext,zthezactionzpotentialzstarts,zandzneurotransmitt
ersztravelzdownzthezauditoryznerveztozthezbrain.

1.zDescribezhowztozformzandzmaintainzazproceduralzmemory.z-zCORRECTzzANSWER-
repeatedzaction,zconditioning

1.zHowzarezneurotransmitterszreleased?z-zCORRECTzzANSWER-
Theyzarezreleasedzfromzthezaxonzterminalzwhenztheirzvesicleszjoinzwithzthezmembranezofzth
ezaxonzterminal

1.zHowzdozthezlenszandzthezpupilzworkztogether?z-zCORRECTzzANSWER-
Thezpupilzchangeszthezamountzofzlightzthatzthezeyezcanztakezin,zandzthenzthezlenszfocuseszt
hosezlightzrayszontozthezretina

1.zHowzdozvoltage-gatedzionzchannelszwork?z-zCORRECTzzANSWER-
Theyzarezactivatedzbyzchangeszinzthezelectricalzmembranezpotentialznearzthezchannel

1.zHowzdoeszdamageztozthezspinalzcordzresultzinzparalysis?z-zCORRECTzzANSWER-
Thezspinalzcordzsendszmessagezfromzthezbrainztozthezbody,zifzdamagedzthezbrainzcannotzco
mmunicatezwithzthezbody

1.zHowzdoeszneuroethicszguidezthezstudyzofztheznervouszsystem?z-zCORRECTzzANSWER-
Social,zlegal,zandzethicalzimplicationszofzthezconclusionszofzneuroscience

, 1.zHowziszpatientzSM'szbehaviorzdifferentzfromzthezbehaviorzwezseezinzmacaqueszwithzanza
blatedzamygdala?zSimilar?z-zCORRECTzzANSWER-
Different:zpatientzSMzwaszveryztrustingzandzfriendly,zSimilar:znozfearziszexhibited

1.zInzwhatztypeszofzdeafnesszwouldzazcochlearzimplantzbezappropriate?z-
zCORRECTzzANSWER-

Azcochlearzimplantzdirectlyzstimulateszyourzauditoryznerve,zsozitzskipszallzthezotherzstructure
szofzthezear.zIfzyouzhavezdamageztozyourzcochlea,zmiddle,zorzouterzear,zcochlearzimplantzwo
uldzbezappropriate.

1.zIszexperiencingzanzemotionzanzunconsciouszorzconsciouszeffortzbyzourzbodies?zHowzhasz
thiszbeenzdemonstratedzinzazlabzsetting?z-zCORRECTzzANSWER-
Unconscious,zSubjectszwerezbrieflyz(milliseconds)zshownzanzangryzface,zthenzazneutralzfac
e.zReportedzonlyzseeingzthezneutralzface.zSubjectszwerezconditionedz(byzelectriczshock)ztozf
earzthezangryzface.zWhenzbrieflyzshownzanzangryzface,zthenzazneutralzface,zsubjectszstillzdid
n'tzseezthezangryzface,zbutztheirzautonomicznervouszsystemzinducedzfearzlikezsymptoms.

1.zTracezthezvisualzprocessingzpathway,zstartingzwithzphotoreceptorzcellszandzendingzwithzt
hezdorsalzandzventralzstreams.z-zCORRECTzzANSWER-
Sun,zCornea,zAqueouszHumor,zPupil,zLens,zRetinaz(rodszandzcones),zHorizontalzandzBipol
arzCellsz(adjustzbrightnesszandzcolorzcontrast),zamacrinezandzganglionzcellsz(detectzmotion
zandzshapezcontrast),zopticznerve,zopticzchiasm,zopticztract




1.zWhatzarezBroca'szareazandzWernicke'szarea?zWherezarezthey?z-zCORRECTzzANSWER-
Inztheztemporalzlobe;zinvolvedzinzlanguage

1.zWhatzarezemergentzproperties?z-zCORRECTzzANSWER-
Emergentzproperty:zazpropertyzwhichzazcollectionzorzcomplexzsystemzhas,zbutzwhichzthe
individualzmemberszdoznotzhave;zazsystemzofzmemorieszandzemotionsziszinzplacezinzyourzbr
ain,
butzsomezpeoplezdoznotzhavezthezsamezabilityztozaccesszit.
Ex:zindividualzantzcantzfunctionzbutzthousandszofzantszcanzdozthingsztogetherzlikezbuildzazho
use.

1.zWhatzarezgyrizandzsulcizandzwhatzareztheyzfor?z-zCORRECTzzANSWER-Gyri-
zraisedzpartzofzthezbrain

Sulci-zloweredzpartzofzthezbrain
Allowszthezbrainztozprocesszmorezinfo

1.zWhatzarezthezcomponentszofzazreflexzarc?z-zCORRECTzzANSWER-
Sensoryzneuron,zeffector,zafferentzneuron,zefferentzneuron,zandzthezintegrationzcenterzinzth
ezspinalzcord.

1.zWhatzarezthezfourzlobeszofzthezcerebrumzandztheirzbasiczfunctions?z-
zCORRECTzzANSWER-Frontal-zanticipateszconsequenceszofzactions,zregulateszemotions

Parietal-zsensoryzinfo,ztouchzprocessing