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PSIO 201 > EXAM 4 > Flashcards

EXAM 4 Flashcards

(64 cards)

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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
what is the function of the pnuemotaxic center
controls the rate of the breathing
26
what is the function of the superior colliculi
reflexes for visual stimuli
27
what is the function for inferior colliculi
auditory pathway that initiates startle reflex
28
what is the function of substansia negra
release dopamine and control subconscious muscle activity
29
what is the function of the red nucleas
voluntary muscle contractions
30
what type of tracts does the posterior coloumn have
ascending sensory tracts
31
what type of tracts does the anterior coulmn have
descending motor tracts
32
function of the dorsal root of the spinal nerve
carries afferent sensory information
33
what is the function of the dorsal root ganglion
sensory neuron cell bodies (PNS)
34
what is the function of the ventral root of spinal nerve
carries efferent motor information
35
lateral and anterior corticospinal tracts
carry AP from primary motor cortex, to lower alpha motor neurons
36
Rubrospinal, Tectospinal, Vestibulospinal, and Lateral, Medial and Reticulospinal Tracts
Carry APs from the brainstem to tolower (α-) motor neurons
37
ateral and Anterior Spinothalamic Tracts and the Posterior Column
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
Posterior and Anterior Spinocerebellar Tract
Carry APs from proprioceptors to the cerebellum (subconscious proprioceptio
39
what structure senses the stretch reflec
muscle spindle
40
what structure senses the tendon reflex
golgi tendon organ
41
what structure senses the flexor reflex
nocioreceptors
42
what is the sympathetic ns nickname
thoracolumbar
43
Sympathetic: preganglionic nerves release____ and postganglionic release____
ACh and NE
44
what are the two types of receptors in the Sympathetic NS
cholinergic and adrenergic receptors
45
what neurotransmitter does cholinergic receptor bind to
ACh
46
what neurotransmitter does adrenergic receptor bind to
NE and epinephrine
47
Sympatehtic: pregang neruon is ____ and post gang neuron is ____
short and long
48
which nervous sytem innervate the walls of blood vessels
sympathetic
49
which nervous system innervates the sweat glands
sympathetic
50
what is the nickname of the parasympathetic ns
craniosacral
51
what are the 4 cranial nerves that are a part of the parasympathetic ns
occulomotor, facial, glossopharyngeal, vagus
52
Parasympathetic: pregang neuron is ____ postgang neuron is ____
long and short
53
what is the name of CN I
Olfactory
54
what is the name of CN II
Optic
55
What is the name of CN III
Occulomotor
56
what is the name of CN IV
Trochlear
57
what is the name of CN V
Trigeminal
58
what is the name of CN VI
Abducen
59
what is the name of CN VII
Facial
60
what is the name of CN VIII
Vestibulocochlear
61
what is the name of CN IX
Glosopharangyeal
62
what is the name of CN X
Vagus
63
what is the name of CN XI
Accessory
64
what is the name of CN XII
Hypoglossal

PSIO 201 (8 decks)

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