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PSIO 201 > EXAM 4 > Flashcards

EXAM 4 Flashcards

1
Q

whats a nucleaus

A

group of cell bodies in CNS

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2
Q

whats a ganglion

A

group of cell bodies in PNS

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3
Q

whats a tract

A

group of axons in CNS

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4
Q

whats a nerve

A

group of axons in PNS

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5
Q

what are the three tracts of the cerebral cortex

A

association, commisual, and projection

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6
Q

where do association tracts take info

A

relay infor on same side of hemisphere

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7
Q

where do commissural tracts take info

A

info crosses between hemispheres

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8
Q

where do projection tracts take info

A

coming into or leaving the brain

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9
Q

what is the insula

A

integrates automatic information associated to visceral function

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10
Q

what does wernikes area do

A

integrates language meaning

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11
Q

what does brocas area do

A

facilitates physical speech

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12
Q

what is the basal nuclei

A

3 centers of cell bodies deep in gray matter of cerebrum

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13
Q

what are the functions of the basal nuclei

A

initiate and terminate movements, suppress unwanted movement, regulate muscle tone, control of subconscious contraction skeletal movement

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14
Q

what are the names of the three basal nuclei

A

putamen, globus pallidus, caudate nucleaus

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15
Q

what is the function of the putamen

A

anticipates/ precedes body movement

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16
Q

function of the globus pallidus

A

regulate muscle tone

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17
Q

function of the caudate nucleaus

A

regulates eye movement

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18
Q

what structure separates the cerebellum

A

central vermis

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19
Q

what is the internal white matter of the cerebellum called

A

arbor vitae

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20
Q

what are the two components of the epithalamus

A

pineal gland and habenular nuclei

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21
Q

what is the function of the habular nuclei

A

emotional responses to odors

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22
Q

what forms the walls of the third ventricle

A

thalamus

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23
Q

what are the two respitory centers in the pons

A

apneuistic and pnuemotaxic center

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24
Q

what is the function of the apneuistic center

A

controls depth of breathing

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25
Q

what is the function of the pnuemotaxic center

A

controls the rate of the breathing

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26
Q

what is the function of the superior colliculi

A

reflexes for visual stimuli

27
Q

what is the function for inferior colliculi

A

auditory pathway that initiates startle reflex

28
Q

what is the function of substansia negra

A

release dopamine and control subconscious muscle activity

29
Q

what is the function of the red nucleas

A

voluntary muscle contractions

30
Q

what type of tracts does the posterior coloumn have

A

ascending sensory tracts

31
Q

what type of tracts does the anterior coulmn have

A

descending motor tracts

32
Q

function of the dorsal root of the spinal nerve

A

carries afferent sensory information

33
Q

what is the function of the dorsal root ganglion

A

sensory neuron cell bodies (PNS)

34
Q

what is the function of the ventral root of spinal nerve

A

carries efferent motor information

35
Q

lateral and anterior corticospinal tracts

A

carry AP from primary motor cortex, to lower alpha motor neurons

36
Q

Rubrospinal, Tectospinal, Vestibulospinal, and Lateral, Medial and Reticulospinal Tracts

A

Carry APs from the brainstem to tolower (α-) motor neurons

37
Q

ateral and Anterior Spinothalamic Tracts and the Posterior Column

A

Carry APs from sensory receptors to the cerebral cortex–Spinothalamic tracts provide pain, temp, itching, tickling, deep pressure and crude touch–Posterior column tracts provide light pressure, vibration, conscious proprioception and discriminative touc

38
Q

Posterior and Anterior Spinocerebellar Tract

A

Carry APs from proprioceptors to the cerebellum (subconscious proprioceptio

39
Q

what structure senses the stretch reflec

A

muscle spindle

40
Q

what structure senses the tendon reflex

A

golgi tendon organ

41
Q

what structure senses the flexor reflex

A

nocioreceptors

42
Q

what is the sympathetic ns nickname

A

thoracolumbar

43
Q

Sympathetic: preganglionic nerves release____ and postganglionic release____

A

ACh and NE

44
Q

what are the two types of receptors in the Sympathetic NS

A

cholinergic and adrenergic receptors

45
Q

what neurotransmitter does cholinergic receptor bind to

A

ACh

46
Q

what neurotransmitter does adrenergic receptor bind to

A

NE and epinephrine

47
Q

Sympatehtic: pregang neruon is ____ and post gang neuron is ____

A

short and long

48
Q

which nervous sytem innervate the walls of blood vessels

A

sympathetic

49
Q

which nervous system innervates the sweat glands

A

sympathetic

50
Q

what is the nickname of the parasympathetic ns

A

craniosacral

51
Q

what are the 4 cranial nerves that are a part of the parasympathetic ns

A

occulomotor, facial, glossopharyngeal, vagus

52
Q

Parasympathetic: pregang neuron is ____ postgang neuron is ____

A

long and short

53
Q

what is the name of CN I

A

Olfactory

54
Q

what is the name of CN II

A

Optic

55
Q

What is the name of CN III

A

Occulomotor

56
Q

what is the name of CN IV

A

Trochlear

57
Q

what is the name of CN V

A

Trigeminal

58
Q

what is the name of CN VI

A

Abducen

59
Q

what is the name of CN VII

A

Facial

60
Q

what is the name of CN VIII

A

Vestibulocochlear

61
Q

what is the name of CN IX

A

Glosopharangyeal

62
Q

what is the name of CN X

A

Vagus

63
Q

what is the name of CN XI

A

Accessory

64
Q

what is the name of CN XII

A

Hypoglossal

PSIO 201 (8 decks)

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