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biology qt3 > Nervous system conti -? > Flashcards

Nervous system conti -? Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

what does the nervous system aid in

A

response (reaction) to an outside force (stimulus)

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2
Q

what is the nervous system critical for

A

survival

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3
Q

what does the nervous system involve

A

5 senses (actions)

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4
Q

what are the 5 sense organs

A

eyes, nose, mouth, fingers, ears

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5
Q

function of NS

A

sends messages

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6
Q

how does the NS compare to the endocrine system

A 
NS:
nerves, fast message, over after sent fast
Endocrine:
chemical> hormones> glands> blood
slow message
last longer
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7
Q

neuron

A

specialized nerve cell

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8
Q

where are most neurons

A

brain and spinal cord

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9
Q

how is the regeneration on neurons

A

little regeneration

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10
Q

regeneration

A

ability to grow back

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11
Q

axon

A

long arm

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12
Q

myelin

A

fat that covers axon (white matter, fat, schwann cell)

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13
Q

different names for myelin

A

schwann cell, fat, white matter

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14
Q

gray matter

A

no myelin

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15
Q

function of axon

A

carries messages away to the dendrites of the next neuron

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16
Q

dendrites

A

short arms

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17
Q

function of dendrites

A

pick up messages from the axon of the other neuron

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18
Q

synapse

A

space between neurons

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19
Q

neurotransmitters

A

released in bubbles

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20
Q

too much neurotransmitters released

A

parkinsons

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21
Q

what chemicals are released by the neurotransmitters

A

acetylcholine
dopamine
cholinesterase

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22
Q

acetylcholine abbreviation

A

ACh

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23
Q

function of cholinesterase

A

shuts of cholinesterase

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24
Q

where do there chemical get released into

A

muscle

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25
Q

what is the energy source of a message transmission

A

ATP

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26
Q

what kind of response does a message carry

A

all or none

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27
Q

polarized nerve

A

resting potential

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28
Q

where are NA+ and K+ in a polarized nerve

A

NA+ outside

K+ inside

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29
Q

what is NA+

A

sodium

30
Q

what is K+

A

potassium

31
Q

where are NA+ and K+ in a depolarized nerve

A

K+ outside

NA+ inside

32
Q

what happens during the stages of a depolarized nerve

A
  • imbalance of ions and acetycholine released into synapse (bubbles released)
  • contraction of muscles
33
Q

what happens during repolarized nerve

A

the action is terminated and NA+ and K+ go back to original positions

  • NA+ outside
  • K+ inside
34
Q

nerve

A

a bunch of neurons

35
Q

function of nerves

A

sends messages to muscles to move

36
Q

basis of multiple sclerosis

A

scars on neurons

37
Q

what happens to the myelin in multiple sclerosis

A

eaten away by WBC and T cells

38
Q

symptoms of multiple sclerosis

A

tingling, paralisis, loss of equillibrium, blurry vision, headaches, muscle spasms, numbness

39
Q

is there a cure for MS

A

no

40
Q

what condition might be connected to MS

A

chicken pox

41
Q

describe the disease type of MS

A

autoimmune, progressive

42
Q

meaning of mysasthenia

A

muscle

43
Q

meaning of gravis

A

serious

44
Q

describe myasthenia gravis

A

low amount of acetylcholine produced at neuromuscular junction

45
Q

symptoms of myasthenia gravis

A

weak, tired, facial muscles fatigued

46
Q

another word for poison gas

A

curare

47
Q

function of cholinesterase

A

shuts of cholinesterase

48
Q

where do there chemical get released into

A

muscle

49
Q

what is the energy source of a message transmission

A

ATP

50
Q

what kind of response does a message carry

A

all or none

51
Q

polarized nerve

A

resting potential

52
Q

where are NA+ and K+ in a polarized nerve

A

NA+ outside

K+ inside

53
Q

what is NA+

A

sodium

54
Q

what is K+

A

potassium

55
Q

where are NA+ and K+ in a depolarized nerve

A

K+ outside

NA+ inside

56
Q

what happens during the stages of a depolarized nerve

A
  • imbalance of ions and acetycholine released into synapse (bubbles released)
  • contraction of muscles
57
Q

what happens during repolarized nerve

A

the action is terminated and NA+ and K+ go back to original positions

  • NA+ outside
  • K+ inside
58
Q

nerve

A

a bunch of neurons

59
Q

function of nerves

A

sends messages to muscles to move

60
Q

basis of multiple sclerosis

A

scars on neurons

61
Q

what happens to the myelin in multiple sclerosis

A

eaten away by WBC and T cells

62
Q

symptoms of multiple sclerosis

A

tingling, paralisis, loss of equillibrium, blurry vision, headaches, muscle spasms, numbness

63
Q

is there a cure for MS

A

no

64
Q

what condition might be connected to MS

A

chicken pox

65
Q

describe the disease type of MS

A

autoimmune, progressive

66
Q

meaning of mysasthenia

A

muscle

67
Q

meaning of gravis

A

serious

68
Q

describe myasthenia gravis

A

low amount of acetylcholine produced at neuromuscular junction

69
Q

symptoms of myasthenia gravis

A

weak, tired, facial muscles fatigued

70
Q

another word for poison gas

A

curare

biology qt3 (26 decks)

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