physio VI last min Flashcards

(67 cards)

1
Q

lesion to somatosensorty cortex causes what

A

problems with graphesia and sterogensis

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2
Q

function of somatosensory II neurons

A

show attention to modulated response

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3
Q

damage to the anterior cerebral a could cause what kind of problems

A

foot and lower limb

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4
Q

damage to the middle cerebral a could cause problems where

A

face and face

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5
Q

what carries discrimiative touch

A

dorsal colum

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6
Q

lesion in the DC pathways causes what

A

ipsilateral problems

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7
Q

lesion in ALS pathway in spinacl cord causes what

A

contralateral problems

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8
Q

fibrillations

A

can only be recognized by electromygopjary

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9
Q

primary ending of muscle spindle is innervated by waht

A

group Ia fiber

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10
Q

2nd endering of muscle spindle is innervated by what

A

group II fiber

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11
Q

functino of co-activation of alpha and gamma motor neruons

A

precent unloding

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12
Q

primary ending o fmuscle spindle elicts what kind of reflex

A

phasic stretch reflex

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13
Q

tonic stretch reflex depends on what

A

primary and secondary endings

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14
Q

what innervates GTO

A

single group Ib fiver

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15
Q

what do Renshaw cells do

A

provide recurrent inhibtion of the alpha motor neuron that activates it

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16
Q

what sets the sensitivity of muscle spoindle

A

gamma cells

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17
Q

what does GTO measure

A

muscle tension, NOT length

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18
Q

where does the alteral vestibulspinal tract descend

A

all spinacl cord levels

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19
Q

what is the function of lateral vestibulospinal tract

A

posture, faciliate motor neuron of extensors

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20
Q

where does medial vestibulospinal tract descend

A

upper thorac

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21
Q

what does medial vestibulospinal tract do

A

medication of reflex of head in response to vestibular stimuli

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22
Q

where does the pontine reticulospinal tract descend

A

all spinal cord elvels

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23
Q

what is the function of the pontine reticulospintal tract

A

adjustment of posture and body balance

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24
Q

what is the function of reticulospinal tract

A

modulate reflex action during movement

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25
where does the tectospinal tract descend
cerebical spinal cord
26
what is the function of the tectospinal tract
coordinate head and eye movement
27
what causes decrebrate posturing
lesion to upper pons
28
what causes decoricate posture
lesion of IC or upper midbrain/diencephal
29
what BA corresponds to primary motor cortex
4
30
waht BA corresponds to posterior pariteal
5 and 8
31
where does the alteral corticospinal tract cross
medulla
32
what is the function of lateral corticospinal tract
fractionation of movment
33
where does lateral corticospinal tract terminate
dorsal horn of spinal cord
34
what happens if you have a lesion limited to corticospinal tract in monkeys
can't grasp obj with 2 fingers
35
what happens if you have corticospinal tract lesion in humns
weakness, babinksi
36
what causes superior alternating hemiplegia
leasion of midbrain
37
what causes inferior alternating hemiplesgie
medullar lesion
38
what happens if you have a problem with posterior cerebral a
visual problems
39
corpus striatum
neostiatum and paleostraim
40
what does cerebral cortex ecit
caudate and putmen
41
what do caudate and putamen do
inhibit globus pallidus
42
what does globus pallidus do
inibhit thalamus
43
what does the neospinothalamic tract go to
VPL of thalamus
44
what does the paleospinothalamic tract go to
DM of thalamis
45
what is the spinoreticular tract function
motor response to pain
46
spinomesencephalic tract function
regulation and modulation of pain experiention
47
how is ventroalteral PAG related to sympahteics
inhibits
48
how is dorsal PAG related to symphatetics
excites
49
what is the functino of vestibulocerebellum
equilbrium, gait and posture, control eye movement
50
wha thappens if you have a lesion to vestibulocerebellum
ataxic gait, eye movement disorder
51
function of vermis portion of spinocerebellum
regulate axiala nd proximal muscle, saccades
52
function of spinocerebullem intermeidate portion
distal muscle
53
lesion in intermediation portion of spinocerebellum causes what
hypotonia
54
lesion in cerebrocerebellum causes what
problem initating movement, multijoint movement, judge elapsed time
55
what do high fidelity tracts carry info for
unconsious proprioception for receptor in muscles, tendons and joints
56
what are granule cells exicted by
mossy fiber
57
locus coerulesu reslases what
nore
58
potine rephe release what
serotinin
59
dysfunction in dorsolateral prefrontal area
pt has trouble with excuative function
60
what is dopamine made by
ventral tegulat area
61
ciliary muscle contracts in response to wahat
parasym
62
homonymous hemianopia
contralateral optic tract damge
63
superior quadrant anopsia
contralat to lesion of meyers loop
64
hemianopia with macular sparing
lesion in optic radiation
65
deuteranopia
colorblindness due to lack of gene
66
posterior 1/3 of tongue is innercated by
CN IX
67
sensory to ear is
VIII