PSY 121 EXAM 2 QUESTIONS AND
ANSWERS
NervoushSystemh-hans--
Ahnetworkhofhcellshthathcarrieshinformationhtohandhfromhallhpartshofhthehbody.
Neuroscienceh-hans--
Branchhofhthehlifehscienceshthathdealshwithhthehstructurehandhfunctioninghofhthehbrainhandh
thehneurons,hnerves,handhnervoushtissuehthathformhthehnervoushsystem.
Neuronh-hans--
Thehspecializedhcellhinhthehnervoushsystemhthathreceiveshandhsendshmessageshwithinhtha
thsystem.
Dendritesh-hans--Thehparthofhthehneuronhthathreceiveshmessageshfromhotherhcells.
Somah(CellhBody)h-hans--
Thehparthofhthehcellhthathcontainshthehnucleushandhkeepshthehentirehcellhalivehandhfunction
ing.
Axonh-hans--
Ahfiberhattachedhtohthehsomahandhitshjobhishtohcarryhmessageshouthtohotherhcells.
AxonhTerminalsh-hans--
Responsiblehforhcommunicatinghwithhotherhnerveshbecausehthehmessagehtravelshthrough
hthis.
GlialhCellsh-hans--
supportivehcellshofhnervoushsystemhthathguidehgrowthhofhnewhneurons;hformshmyelinhshe
ath;hholdshneuronhinhplace;hprovideshnourishmenthandhremoveshwaste
Oligodendrocytesh-hans--Producehmyelinhinhthehcentralhnervoushsystem.
SchwannhCellsh-hans--Producehmyelinhinhthehperipheralhnervoushsystem.
Myelinh-hans--Fatty
, Nervesh-hans--Bundleshofhaxonshinhthehperipheralhnervoushsystem.
RestinghPotentialh-hans--
Thehelectricalhpotentialhwhenhthehcellhishathrest;hmadehpossiblehbyhbalancehbetweenhionsh
inhandhoutsidehofhthehcell.
ActionhPotentialh-hans--
Resultshfromhthehchangehinhelectricalhcharge.hCellhfires;hinsidehbecomeshpositivehrelativeh
tohthehoutsidehofhthehcell.
All-or-Noneh-hans--Whenhahneuronhdoeshfire,hithdoeshsohinhanh_____hfashion.
Neurotransmittersh-hans--
Insidehthehneuron'shsynaptichvesicle,hfunctionhishtransmithahmessagehbyhgoinghtohthehsyn
apse.
Synapseh-hans--
Fluidhfilledhspacehbetweenhthehsynaptichknobhandhthehdendritehofhanotherhneuron.
Dendrites;hAxonsh-hans--
_____hreceivehmessageshfromhotherhneurons,handh____hsendhmessageshtohotherhneuron
s.
Serotoninh-hans--
Neurotransmitterhinvolvedhinhmood,hsleep,handhappetite.hContributeshtohdepressionhandha
nxiety.
Dopamineh-hans--
Neurotransmitterhinvolvedhinhthehcontrolhofhmovementhandhsensationshofhpleasure.hIncre
asehcanhleadhtohschixophreniahandhadhd.
Acetylcholineh-hans--
Neurotransmitterhinvolvedhinharousal,hattention,hmemory,handhcontrolshvoluntaryhmuscleh
contractions.
Endorphinsh-hans--Neurotransmitterhinvolvedhinhpainhrelief.
Antagonisth(Inhibitory)h-hans--
Ahchemicalhsubstancehthathblockshorhreduceshtheheffectshofhahneurotransmitter.
Agonisth(Excitatory)h-hans--
Ahchemicalhsubstancehthathmimicshorhenhanceshtheheffectshofhahneurotransmitter.
CentralhNervoushSystemh-hans--ComposedhofhthehBrainhandhthehSpinalhCord
ANSWERS
NervoushSystemh-hans--
Ahnetworkhofhcellshthathcarrieshinformationhtohandhfromhallhpartshofhthehbody.
Neuroscienceh-hans--
Branchhofhthehlifehscienceshthathdealshwithhthehstructurehandhfunctioninghofhthehbrainhandh
thehneurons,hnerves,handhnervoushtissuehthathformhthehnervoushsystem.
Neuronh-hans--
Thehspecializedhcellhinhthehnervoushsystemhthathreceiveshandhsendshmessageshwithinhtha
thsystem.
Dendritesh-hans--Thehparthofhthehneuronhthathreceiveshmessageshfromhotherhcells.
Somah(CellhBody)h-hans--
Thehparthofhthehcellhthathcontainshthehnucleushandhkeepshthehentirehcellhalivehandhfunction
ing.
Axonh-hans--
Ahfiberhattachedhtohthehsomahandhitshjobhishtohcarryhmessageshouthtohotherhcells.
AxonhTerminalsh-hans--
Responsiblehforhcommunicatinghwithhotherhnerveshbecausehthehmessagehtravelshthrough
hthis.
GlialhCellsh-hans--
supportivehcellshofhnervoushsystemhthathguidehgrowthhofhnewhneurons;hformshmyelinhshe
ath;hholdshneuronhinhplace;hprovideshnourishmenthandhremoveshwaste
Oligodendrocytesh-hans--Producehmyelinhinhthehcentralhnervoushsystem.
SchwannhCellsh-hans--Producehmyelinhinhthehperipheralhnervoushsystem.
Myelinh-hans--Fatty
, Nervesh-hans--Bundleshofhaxonshinhthehperipheralhnervoushsystem.
RestinghPotentialh-hans--
Thehelectricalhpotentialhwhenhthehcellhishathrest;hmadehpossiblehbyhbalancehbetweenhionsh
inhandhoutsidehofhthehcell.
ActionhPotentialh-hans--
Resultshfromhthehchangehinhelectricalhcharge.hCellhfires;hinsidehbecomeshpositivehrelativeh
tohthehoutsidehofhthehcell.
All-or-Noneh-hans--Whenhahneuronhdoeshfire,hithdoeshsohinhanh_____hfashion.
Neurotransmittersh-hans--
Insidehthehneuron'shsynaptichvesicle,hfunctionhishtransmithahmessagehbyhgoinghtohthehsyn
apse.
Synapseh-hans--
Fluidhfilledhspacehbetweenhthehsynaptichknobhandhthehdendritehofhanotherhneuron.
Dendrites;hAxonsh-hans--
_____hreceivehmessageshfromhotherhneurons,handh____hsendhmessageshtohotherhneuron
s.
Serotoninh-hans--
Neurotransmitterhinvolvedhinhmood,hsleep,handhappetite.hContributeshtohdepressionhandha
nxiety.
Dopamineh-hans--
Neurotransmitterhinvolvedhinhthehcontrolhofhmovementhandhsensationshofhpleasure.hIncre
asehcanhleadhtohschixophreniahandhadhd.
Acetylcholineh-hans--
Neurotransmitterhinvolvedhinharousal,hattention,hmemory,handhcontrolshvoluntaryhmuscleh
contractions.
Endorphinsh-hans--Neurotransmitterhinvolvedhinhpainhrelief.
Antagonisth(Inhibitory)h-hans--
Ahchemicalhsubstancehthathblockshorhreduceshtheheffectshofhahneurotransmitter.
Agonisth(Excitatory)h-hans--
Ahchemicalhsubstancehthathmimicshorhenhanceshtheheffectshofhahneurotransmitter.
CentralhNervoushSystemh-hans--ComposedhofhthehBrainhandhthehSpinalhCord
