DAANCE /
module
/ //
1 /
Basic
/ /
Sciences
/ /
Exam Questions With Correct Answers
/ // // // //
1)What //is //the //role //of //the //central //nervous //system?
2)What //are //the //3 //subdivisions //of //the //central //nervous //system? //- //verified //answer(s)-✔✔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? //- //verified //answer(s)-✔✔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? //- //verified //answer(s)-
✔✔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 //charged, //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? //- //verified //answer(s)-
✔✔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.
module
/ //
1 /
Basic
/ /
Sciences
/ /
Exam Questions With Correct Answers
/ // // // //
1)What //is //the //role //of //the //central //nervous //system?
2)What //are //the //3 //subdivisions //of //the //central //nervous //system? //- //verified //answer(s)-✔✔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? //- //verified //answer(s)-✔✔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? //- //verified //answer(s)-
✔✔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 //charged, //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? //- //verified //answer(s)-
✔✔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.
