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SBI4UP > nervous system > Flashcards

nervous system Flashcards

chapter 11

1
Q

type of stress response of nervous system

A

short term response

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2
Q

type of stress response of endocrine system

A

long term response

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3
Q

effect of nervous system response to stress as relevant to blood flow

A

blood diverted to needed muscles

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4
Q

speed of nervous system stress response

A

quick stress response

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5
Q

speed of endocrine system stress response

A

slow stress response

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6
Q

parts of body involved in CNS

A

brain and spinal cord

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7
Q

role of CNS

A

coordinate info coming in and out

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8
Q

role of PNS

A

carry info b/w organs in the body and the CNS

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9
Q

nerve groups of the PNS

A

somatic and autonomic nerves

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10
Q

nerves for voluntary responses

A

somatic nerves

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11
Q

nerves for involuntary responses

A

autonomic nerves

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12
Q

2 categories of autonomic nerves

A

sympathetic and parasympathetic

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13
Q

voluntary control involves these parts of the body (not of the nervous system)

A

skeletal muscle, bones, skin

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14
Q

types of somatic nerves

A

sensory and motor

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15
Q

role of sensory nerves

A

relay info about environment to CNS

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16
Q

role of motor nerves

A

carry out responses from CNS

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17
Q

role of sympathetic nerves

A

prep body for stress

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18
Q

role of parasympathetic nerves

A

return body to normal resting level after stress

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19
Q

reflex arc involves which nerves (last part of process)

A

motor nerves

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20
Q

structures controlled by autonomic nerves

A

internal organs

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21
Q

example of sympathetic nerve response as relevant to blood flow

A

blood diverted from secondary organs to more important ones

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22
Q

2 types of nerve cells

A

glial and neurons

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23
Q

how neurons communicate

A

conduct nerve impulses

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24
Q

structure of a nerve is

A

a bundle of many neurons

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25
Q

role of dendrites

A

receive info

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26
Q

role of dendrites on sensory neurons

A

receive info from outside world

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27
Q

role of dendrites on interneurons/motor neurons

A

receive info from other neurons

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28
Q

where do dendrites send their info

A

the cell body

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29
Q

role of the axon

A

transmit nerve impulses towards other structures

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30
Q

name of the axon fatty protein covering

A

myelin sheath

31
Q

cells that make up the myelin sheath

A

schwann cells

32
Q

what are schwann cells

A

special glial cells

33
Q

role of myelin sheath

A

speed up transmission of action potentials

34
Q

nodes of ranvier

A

gaps between myelin sheaths

35
Q

axon coating present in PNS

A

neurilemma

36
Q

neurilemma indicates what property

A

able to regenerate nerve tissue and damaged axons

37
Q

matter that is not coated with neurilemma

A

grey matter

38
Q

property of grey matter as relevant to being damaged

A

damage is typically permanent

39
Q

neurons that move towards the CNS

A

afferent neurons

40
Q

neurons that move away from the CNS

A

efferent neurons

41
Q

term for clusters of sensory neurons

A

ganglia

42
Q

role of interneurons

A

link neurons together

43
Q

interneurons are commonly found here

A

brain and spinal cord

44
Q

motor neurons are types of

A

efferent neurons

45
Q

simplest nerve pathway

A

reflex arc

46
Q

regions of the brain

A

fore-, mid-, hind- brain

47
Q

part of the brain where olfactory lobes and bulbs present

A

the forebrain contains this (o)

48
Q

part of the brain that contains the cerebrum

A

the forebrain contains this (c)

49
Q

role of olfactory lobes

A

receive information relating to scent

50
Q

role of cerebrum

A

coordination (sensory and motor integration)

51
Q

cerebrum is involved in what type of movement

A

voluntary movement

52
Q

name for the surface of the cerebrum

A

cerebral cortex

53
Q

cerebrum is split into

A

left and right hemispheres

54
Q

structure connecting the 2 cerebral hemispheres

A

corpus callosum

55
Q

role of corpus callosum

A

allows for exchange of into b/w the 2 hemispheres

56
Q

location of thalamus

A

in forebrain, under cerebrum

57
Q

role of thalamus

A

coordinate and interpret all sensory info (except for smell) to appropriate part of the cerebrum

58
Q

role of hypothalamus

A

maintain critical internal body functions

59
Q

structures connecting nervous systems to endocrine systems

A

hypothalamus and pituitary gland

60
Q

most developed part of the brain

A

forebrain

61
Q

optic lobes present in which part of the brain

A

midbrain contains this structure

62
Q

role of optic lobes

A

vision and ear reflexes

63
Q

what does the hindbrain connect to

A

spinal cord

64
Q

parts of the hindbrain

A

pons, medulla, cerebellum

65
Q

what type of movement does the cerebellum deal with

A

voluntary movements

66
Q

role of pons as a structure

A

connect cerebellum and medulla

67
Q

role of pons

A

control of sleep

68
Q

role of medulla oblongata in hindbrain

A

reflex centre - autonomic nerve control

69
Q

natural painkiller examples

A

endorphins and enkephaline

70
Q

how painkillers work

A

attach to pain receptor sites

71
Q

artificial painkiller example

A

opiates

72
Q

examples of opiates

A

heroin, codeine, morphine

73
Q

how artificial painkillers work

A

prevent production of pain transmitters

74
Q

effects of stopping opiate usage as relevant to pain receptors

A

receptor sites open and pain transmitter is produced in excess

SBI4UP (5 decks)

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