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Nervous system > nerve pathways > Flashcards

nerve pathways Flashcards

1
Q

name the 4 special sensations

A

hearing
vision
taste
smell

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2
Q

name the 4 general sensations

A

pain
touch
temperature
proprioception

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3
Q

what is the role of the sympathetic system

A

puts body on alert

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4
Q

what is the origin of the sympathetic system

A

T1-L2

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5
Q

describe the lengths of neurones in sympathetic system

A

short preganglionic
long post ganglionic

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6
Q

name the ganglion receptor in sympathetic system

A

Ach on nicotinic receptor

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7
Q

name the terminal end receptor in sympathetic system

A

NA (noradrenaline) on adrenoreceptors

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8
Q

what is the role of the parasympathetic system

A

relax and reduce body activities

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9
Q

what are the origins of the parasympathetic system

A

cranial nerves III, VII,IX and X
S2-S4

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10
Q

describe the lengths of neurones in parasympathetic system

A

long preganglionic neurone
short postganglionic neurone

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11
Q

name the ganglion receptor in parasympathetic system

A

Ach on nicotinic receptor

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12
Q

name the terminal end receptor in parasympathetic system

A

Ach on muscarnic receptors

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13
Q

what does a mechanoreceptor detect

A

touch, vibration and proprioception

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14
Q

what does a thermoreceptor detect

A

temperature change

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15
Q

describe the nerve endings on a thermoreceptor

A

free nerve endings

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16
Q

what does a nociceptor detect

A

pain

17
Q

the thalamus has what role when connecting the CNS and PNS

A

screens out irrelevant information

18
Q

name the 2 sensory pathways

A

lateral spinothalmic tract
dorsal column tract

19
Q

what sensation is controlled by lateral spinothalmic tract

A

pain, temp or coarse touch

20
Q

name the location at which the first and second order neurones in the lateral spinothalmic tract synapse

A

dorsal horn

21
Q

where does the second order neurone desuccate in the lateral spinothalmic tract

A

spinal level

22
Q

what sensation is controlled by dorsal column tract

A

touch, vibration, pressure, proprioception

23
Q

name the location at which the first and second order neurones in the dorsal column tract synapse

A

medulla

24
Q

where does the second order neurone desuccate in the dorsal column tract

A

medulla

25
Q

what motor function is controlled by the lateral corticospinal tract

A

limb movement

26
Q

in motor pathways where does the upper and lower motor neurone synapse

A

ventral horn

27
Q

in lateral corticospinal tract where does the upper motor neurone desuccate

A

medulla

28
Q

what motor function is controlled by the anterior corticospinal tract

A

movement of trunk, neck and shoulders

29
Q

in anterior corticospinal tract where does the upper motor neurone desuccate

A

ventral horn

Nervous system (13 decks)

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