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physio VI last min Flashcards

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
Q

where does the tectospinal tract descend

A

cerebical spinal cord

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26
Q

what is the function of the tectospinal tract

A

coordinate head and eye movement

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27
Q

what causes decrebrate posturing

A

lesion to upper pons

28
Q

what causes decoricate posture

A

lesion of IC or upper midbrain/diencephal

29
Q

what BA corresponds to primary motor cortex

A

4

30
Q

waht BA corresponds to posterior pariteal

A

5 and 8

31
Q

where does the alteral corticospinal tract cross

A

medulla

32
Q

what is the function of lateral corticospinal tract

A

fractionation of movment

33
Q

where does lateral corticospinal tract terminate

A

dorsal horn of spinal cord

34
Q

what happens if you have a lesion limited to corticospinal tract in monkeys

A

can’t grasp obj with 2 fingers

35
Q

what happens if you have corticospinal tract lesion in humns

A

weakness, babinksi

36
Q

what causes superior alternating hemiplegia

A

leasion of midbrain

37
Q

what causes inferior alternating hemiplesgie

A

medullar lesion

38
Q

what happens if you have a problem with posterior cerebral a

A

visual problems

39
Q

corpus striatum

A

neostiatum and paleostraim

40
Q

what does cerebral cortex ecit

A

caudate and putmen

41
Q

what do caudate and putamen do

A

inhibit globus pallidus

42
Q

what does globus pallidus do

A

inibhit thalamus

43
Q

what does the neospinothalamic tract go to

A

VPL of thalamus

44
Q

what does the paleospinothalamic tract go to

A

DM of thalamis

45
Q

what is the spinoreticular tract function

A

motor response to pain

46
Q

spinomesencephalic tract function

A

regulation and modulation of pain experiention

47
Q

how is ventroalteral PAG related to sympahteics

A

inhibits

48
Q

how is dorsal PAG related to symphatetics

A

excites

49
Q

what is the functino of vestibulocerebellum

A

equilbrium, gait and posture, control eye movement

50
Q

wha thappens if you have a lesion to vestibulocerebellum

A

ataxic gait, eye movement disorder

51
Q

function of vermis portion of spinocerebellum

A

regulate axiala nd proximal muscle, saccades

52
Q

function of spinocerebullem intermeidate portion

A

distal muscle

53
Q

lesion in intermediation portion of spinocerebellum causes what

A

hypotonia

54
Q

lesion in cerebrocerebellum causes what

A

problem initating movement, multijoint movement, judge elapsed time

55
Q

what do high fidelity tracts carry info for

A

unconsious proprioception for receptor in muscles, tendons and joints

56
Q

what are granule cells exicted by

A

mossy fiber

57
Q

locus coerulesu reslases what

A

nore

58
Q

potine rephe release what

A

serotinin

59
Q

dysfunction in dorsolateral prefrontal area

A

pt has trouble with excuative function

60
Q

what is dopamine made by

A

ventral tegulat area

61
Q

ciliary muscle contracts in response to wahat

A

parasym

62
Q

homonymous hemianopia

A

contralateral optic tract damge

63
Q

superior quadrant anopsia

A

contralat to lesion of meyers loop

64
Q

hemianopia with macular sparing

A

lesion in optic radiation

65
Q

deuteranopia

A

colorblindness due to lack of gene

66
Q

posterior 1/3 of tongue is innercated by

A

CN IX

67
Q

sensory to ear is

A

VIII

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