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DAANCE MODULE 1 BASIC SCIENCES QUESTIONS AND ANSWERS
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DAANCE MODULE 1 BASIC SCIENCES QUESTIONS AND ANSWERS
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DAANCE MODULE 1 BASIC SCIENCESQUESTIONS AND ANSWERS 2024 - 2025
1)What,is,the,role,of,the,central,nervous,system?
2)What,are,the,3,subdivisions,of,the,central,nervous,system?,,ANS,-
,,1),To,provide,overall,control,of,body,function
2),Central,Nervous,System,,Peripheral,Nervous,System,,Autonomic,Nervous,System
NERVOUS,SYSTEM:
1),What,are,the,cells,of,the,nervous,system,called?
2),What,are,they,responsible,for?
3),What,is,action,potential?,What,happens,during,this?
4),How,is,this,related,to,a,synapse?
5),What,is,a,synapse?,,ANS,-,,1),Neurons
2),Responsible,for,conducting,nerve,impulses,within,the,brain,and,from,one,body,part,to,another
3),The,nerves,threshold,of,stimulus.,When,an,impulse,reaches,the,threshold,,the,impulse,travels,along,the
,neuron,at,a,constant,rate.
4),When,an,impulse,reaches,the,end,of,the,neuron,,it,can,pass,to,another,neuron,across,a,synapse.
5),A,junction,between,two,neurons.
DEPOLARIZATION/REPOLARIZATION:
1),Explain,depolarization.
2),What,substance,is,often,the,material,moving,in,and,out,of,the,membrane?
3),What,is,the,wave,of,polarization?
4),Explain,repolarization.
5),How,does,this,relate,to,local,anesthetics?,,ANS,-
,,1),The,outside,of,a,nerve,membrane,is,positively,charged.,When,those,charges,move,into,the,membrane
,,the,outside,is,left,negatively,charged.
2),Na+,ions
3),The,movement,of,changing,charges,during,depolarization.
, 4),After,the,nerve,impulse,passes,through,the,nerve,,the,nerve,fibers,become,repolarized,,or,positively,ch
arged,,again.
5),Local,anesthetics,interfere,with,Na+,ions,traveling,through,the,ion,channels,,preventing,depolarization,
and,slowing,or,stopping,the,nerve,impulses.
SYNAPSES:
1),What,is,a,terminal,button?
2),What,are,pre-synaptic,and,post-synaptic?
3),What,is,a,synaptic,cleft?
4),What,substance,is,this,product,dependent,on?
5),What,action,does,this,substance,have?,,ANS,-
,,1),The,bulge,at,the,end,of,the,nerve,,that,touches,the,next,nerve.
2),The,nerve,before,and,after,the,synapse,that,is,active.
3),The,gap,between,two,nerves,,which,a,nerve,impulse,must,'jump,across',to,communicate,with,the,next,
nerve.
4),Neurotransmitters
5),They,enable,transmission,of,the,depolarization,wave,from,one,nerve,onto,the,receptor,sites,of,the,next
.
CENTRAL,NERVOUS,SYSTEM:
1),What,is,the,central,nervous,system,,and,what,does,it,consist,of?
2),What,are,the,parts,of,the,CNS?,(4,parts),,ANS,-
,,1),It,is,the,overall,control,center,of,the,body,,consists,of,the,brain,and,the,spinal,cord.
2),Cerebral,Cortex,,Core,of,the,Brain,,Cerebellum,,and,the,Brainstem.
CEREBRAL,CORTEX:
1),How,many,parts,does,it,have?
2),What,are,its,main,responsibilities?,(6,things),,ANS,-,,1),2,parts-,paired,cerebral,hemispheres.
2),Essential,functions-
,thought,,learning,,memory,,consciousness,,feeling,of,sensation,(such,as,pain,or,heat),,and,initiation,of,mu
scle,movement.
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