lesion stuff

Question 1

parasympathetic functions for GI tract, lungs, thoracic innervations

Answer 1

dorsal motor nuc of vagus

Question 2

vertigo, imbalance, nystagmus

Answer 2

lesion to vestibular nuclei

Question 3

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

Answer 3

lesion to solitary tract and nucleus

Question 4

pain and temperature from ipsilateral face and head

Answer 4

spinal trigeminal nucleus/tract

Question 5

ataxia definition

Answer 5

uncoordinated muscle movements

Question 6

ataxia, dysmetria, and dysdiadokokinesia

Answer 6

lesion to inferior cerebellar peduncle

Question 7

define dysmetria and dysdiadokokinesia

Answer 7

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

Question 8

pain and temperature from contralateral side of body

Answer 8

ALS

Question 9

unconscious proprioception from ipsilateral side of body

Answer 9

spinocerebellar tract

Question 10

tongue deviation to ipsilateral side

Answer 10

lesion to hypoglossal nucleus/nerve

Question 11

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

Answer 11

lesion to medial longitudinal fasciculus at open medulla

Question 12

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

Answer 12

medial lemniscus

Question 13

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

Answer 13

lesions to pyramid, cerebral peduncle, pyramidal tracts through pons

Question 14

medial medullary syndrome, describe kind of paralysis

Answer 14

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

Question 15

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

Answer 15

lesion to ipsilateral oculomotor nerve

Question 16

motor problems with contralateral limbs

Answer 16

lesion to red nucleus

Question 17

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

Answer 17

lesion to substantia nigra

Question 18

where do descending motor tracts cross?

Answer 18

pyramidal decussation

Question 19

what do the crossing fibers in lower pons form?

Answer 19

cerebellar peduncles

Question 20

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

Answer 20

lesion to abducens nucleus/nerve

Question 21

weakness of superior and inferior facial muscles

Answer 21

lesion to ipsilateral facial nucleus/nerve

Question 22

where do dorsal columns cross?

Answer 22

in medial lemniscus after closed medulla

Question 23

[reverse card]

dorsal motor nuc of vagus

Answer 23

parasympathetic functions for GI tract, lungs, thoracic innervations

Question 24

[reverse card]

lesion to vestibular nuclei

Answer 24

vertigo, imbalance, nystagmus

Question 25

# [reverse card] lesion to solitary tract and nucleus

Answer 25

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

Question 26

# [reverse card] spinal trigeminal nucleus/tract

Answer 26

pain and temperature from ipsilateral face and head

Question 27

# [reverse card] uncoordinated muscle movements

Answer 27

ataxia definition

Question 28

# [reverse card] lesion to inferior cerebellar peduncle

Answer 28

ataxia, dysmetria, and dysdiadokokinesia

Question 29

# [reverse card] under/overshoot, and impaired ability to perform rapid, alternating movements

Answer 29

define dysmetria and dysdiadokokinesia

Question 30

# [reverse card] ALS

Answer 30

pain and temperature from contralateral side of body

Question 31

# [reverse card] spinocerebellar tract

Answer 31

unconscious proprioception from ipsilateral side of body

Question 32

# [reverse card] lesion to hypoglossal nucleus/nerve

Answer 32

tongue deviation to ipsilateral side

Question 33

# [reverse card] lesion to medial longitudinal fasciculus at open medulla

Answer 33

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

Question 34

# [reverse card] medial lemniscus

Answer 34

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

Question 35

# [reverse card] lesions to pyramid, cerebral peduncle, pyramidal tracts through pons

Answer 35

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

Question 36

# [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

Answer 36

medial medullary syndrome, describe kind of paralysis

Question 37

# [reverse card] lesion to ipsilateral oculomotor nerve

Answer 37

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

Question 38

# [reverse card] lesion to red nucleus

Answer 38

motor problems with contralateral limbs

Question 39

# [reverse card] lesion to substantia nigra

Answer 39

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

Question 40

# [reverse card] pyramidal decussation

Answer 40

where do descending motor tracts cross?

Question 41

# [reverse card] cerebellar peduncles

Answer 41

what do the crossing fibers in lower pons form?

Question 42

# [reverse card] lesion to abducens nucleus/nerve

Answer 42

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

Question 43

# [reverse card] lesion to ipsilateral facial nucleus/nerve

Answer 43

weakness of superior and inferior facial muscles

Question 44

# [reverse card] in medial lemniscus after closed medulla

Answer 44

where do dorsal columns cross?

Question 45

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

Answer 45

open medulla dorsal motor nuc of vagus vestibular nuclei solitary tract/nucleus cuneate nucleus spinal trigeminal inferior cerebellar peduncle ALS

Question 46

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

Answer 46

open medulla pyramidal tract (LCST) hypoglossal nucleus MLF

Question 47

contralateral motor coordination issues contralateral hemiparesis parkinson's impaired ipsilateral eye movement

Answer 47

midbrain red nucleus cerebral peduncle substantia nigra oculomotor nerve

Question 48

motor coordination problems hemiparesis on contralateral side possible weakness in abducating ipsilateral eye

Answer 48

lower pons pyramidal tract pontine fibers possible abducens nerve

Question 49

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

Answer 49

abducens nucleus facial motor nucleus/nerve vestibular nuclei spinal trigem nucleus and tract medial lemniscus ALS LCST