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Neuroanatomy > lesion stuff > Flashcards

lesion stuff Flashcards

1
Q

parasympathetic functions for GI tract, lungs, thoracic innervations

A

dorsal motor nuc of vagus

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2
Q

vertigo, imbalance, nystagmus

A

lesion to vestibular nuclei

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3
Q

impairments in taste, visceral sense from stretch and chemoreceptors in cardiovascular/respiratory/intestinal systems

A

lesion to solitary tract and nucleus

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4
Q

pain and temperature from ipsilateral face and head

A

spinal trigeminal nucleus/tract

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5
Q

ataxia definition

A

uncoordinated muscle movements

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6
Q

ataxia, dysmetria, and dysdiadokokinesia

A

lesion to inferior cerebellar peduncle

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7
Q

define dysmetria and dysdiadokokinesia

A

under/overshoot, and impaired ability to perform rapid, alternating movements

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8
Q

pain and temperature from contralateral side of body

A

ALS

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9
Q

unconscious proprioception from ipsilateral side of body

A

spinocerebellar tract

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10
Q

tongue deviation to ipsilateral side

A

lesion to hypoglossal nucleus/nerve

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11
Q

weak adduction (nasal movement) and abduction nystagmus of contralateral eye

A

lesion to medial longitudinal fasciculus at open medulla

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12
Q

fine touch, position, movement, from contralateral side of body

A

medial lemniscus

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13
Q

damage to CONTRALATERAL corticospinal tract upper motor neurons for contralateral side of body could be caused by lesions where? (3)

A

lesions to pyramid, cerebral peduncle, pyramidal tracts through pons

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14
Q

medial medullary syndrome, describe kind of paralysis

A

damage to medial open medulla. “crossed paralysis” because cranial nerve (above-neck) effects are ipsilateral to lesion, and spinal nerve (below-neck) effects are contralateral to lesion

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15
Q

impaired eye movement, strabismus, diplopia, ptosis (drooping eyelid), dilated pupil

A

lesion to ipsilateral oculomotor nerve

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16
Q

motor problems with contralateral limbs

A

lesion to red nucleus

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17
Q

parkinsons: muscular rigidity, resting tremor, akinesia, slowness of movement, postural instability

A

lesion to substantia nigra

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18
Q

where do descending motor tracts cross?

A

pyramidal decussation

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19
Q

what do the crossing fibers in lower pons form?

A

cerebellar peduncles

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20
Q

diplopia due to ipsilateral eye being unable to abducate, and contralateral eye being unable to adducate (conjugate gaze paralysis)

A

lesion to abducens nucleus/nerve

21
Q

weakness of superior and inferior facial muscles

A

lesion to ipsilateral facial nucleus/nerve

22
Q

where do dorsal columns cross?

A

in medial lemniscus after closed medulla

23
Q

[reverse card]

dorsal motor nuc of vagus

A

parasympathetic functions for GI tract, lungs, thoracic innervations

24
Q

[reverse card]

lesion to vestibular nuclei

A

vertigo, imbalance, nystagmus

25
Q

[reverse card]

lesion to solitary tract and nucleus

A

impairments in taste, visceral sense from stretch and chemoreceptors in cardiovascular/respiratory/intestinal systems

26
Q

[reverse card]

spinal trigeminal nucleus/tract

A

pain and temperature from ipsilateral face and head

27
Q

[reverse card]

uncoordinated muscle movements

A

ataxia definition

28
Q

[reverse card]

lesion to inferior cerebellar peduncle

A

ataxia, dysmetria, and dysdiadokokinesia

29
Q

[reverse card]

under/overshoot, and impaired ability to perform rapid, alternating movements

A

define dysmetria and dysdiadokokinesia

30
Q

[reverse card]

ALS

A

pain and temperature from contralateral side of body

31
Q

[reverse card]

spinocerebellar tract

A

unconscious proprioception from ipsilateral side of body

32
Q

[reverse card]

lesion to hypoglossal nucleus/nerve

A

tongue deviation to ipsilateral side

33
Q

[reverse card]

lesion to medial longitudinal fasciculus at open medulla

A

weak adduction (nasal movement) and abduction nystagmus of contralateral eye

34
Q

[reverse card]

medial lemniscus

A

fine touch, position, movement, from contralateral side of body

35
Q

[reverse card]

lesions to pyramid, cerebral peduncle, pyramidal tracts through pons

A

damage to CONTRALATERAL corticospinal tract upper motor neurons for contralateral side of body could be caused by lesions where? (3)

36
Q

[reverse card]

damage to medial open medulla. “crossed paralysis” because cranial nerve (above-neck) effects are ipsilateral to lesion, and spinal nerve (below-neck) effects are contralateral to lesion

A

medial medullary syndrome, describe kind of paralysis

37
Q

[reverse card]

lesion to ipsilateral oculomotor nerve

A

impaired eye movement, strabismus, diplopia, ptosis (drooping eyelid), dilated pupil

38
Q

[reverse card]

lesion to red nucleus

A

motor problems with contralateral limbs

39
Q

[reverse card]

lesion to substantia nigra

A

parkinsons: muscular rigidity, resting tremor, akinesia, slowness of movement, postural instability

40
Q

[reverse card]

pyramidal decussation

A

where do descending motor tracts cross?

41
Q

[reverse card]

cerebellar peduncles

A

what do the crossing fibers in lower pons form?

42
Q

[reverse card]

lesion to abducens nucleus/nerve

A

diplopia due to ipsilateral eye being unable to abducate, and contralateral eye being unable to adducate (conjugate gaze paralysis)

43
Q

[reverse card]

lesion to ipsilateral facial nucleus/nerve

A

weakness of superior and inferior facial muscles

44
Q

[reverse card]

in medial lemniscus after closed medulla

A

where do dorsal columns cross?

45
Q

parasympathetic issues

vertigo

taste and visceral sense issues

loss of contralateral fine touch

loss of ipsilateral pain and temp from face and head

ataxia, dysmetria

loss of ipsilateral unconscious proprioception

loss of contralateral pain/temp

A

open medulla

dorsal motor nuc of vagus

vestibular nuclei

solitary tract/nucleus

cuneate nucleus

spinal trigeminal

inferior cerebellar peduncle

ALS

46
Q

paralysis on contralateral side

loss of fine touch, position, etc on contralateral side

tongue deviation to ipsilateral side

loss of taste on ipsilateral side

weak adduction of the ipsilateral eye

A

open medulla

pyramidal tract (LCST)

hypoglossal nucleus

MLF

47
Q

contralateral motor coordination issues

contralateral hemiparesis

parkinson’s

impaired ipsilateral eye movement

A

midbrain

red nucleus

cerebral peduncle

substantia nigra

oculomotor nerve

48
Q

motor coordination problems

hemiparesis on contralateral side

possible weakness in abducating ipsilateral eye

A

lower pons

pyramidal tract

pontine fibers

possible abducens nerve

49
Q

diplopia

weakness of ipsilateral superior/inferior facial muscles

vertigo

loss of ipsilateral pain/temp from face

loss of fine touch from contralateral side

loss of contralateral pain/temp from body

contralateral hemiparesis

A

abducens nucleus

facial motor nucleus/nerve

vestibular nuclei

spinal trigem nucleus and tract

medial lemniscus

ALS

LCST

Neuroanatomy (10 decks)

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