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Year 2 neuro exam 1 > Vosko II > Flashcards

Vosko II Flashcards

1
Q

7,9,10 pain from where

A

ear

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2
Q

synapse of VTT

A

ascend contralateral side

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3
Q

second synapse VTT

A

VPM thalamus

primary somatosensory Cs next

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4
Q

pain R in face

A

TRPvchannel

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5
Q

where does VTT enter and where does it go

A

pons

descends to medulla and synapses spinal trigeminal nucleus

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6
Q

decussation VTT

A

in medulla

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7
Q

second synapse VTT

A

VPM thalamus to somatosensory cortex

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8
Q

basic two point discrimination on face

A

dorsal trigeminothalamic

bilateral

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9
Q

DTT tract

A

enters pons and synapses on mesencephalic nuc V b/l in pons then ascends to VPM thalamus

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10
Q

voluntary motor control travels through what

A

corticobulbospinal pathway or corticospinal

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11
Q

CN III IV VI activated through what

A

not corticospinal!

preserved in ALS(leu-gerings)

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12
Q

hypoglossal contralateral or ipsi

A

contra

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13
Q

lateral corticospinal tract

A

control of limbs

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14
Q

cervicothoracic level decussation of corticospinal.

A

turn into LMN for axial mm

ventral/anterior corticospinal tract

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15
Q

extrapyramidal

A

tectospinal
reticulospinal
rubro
vestibulospinal

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16
Q

tract to take over when have loss corticospinal

A

reticulospinal

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17
Q

tract if tap someone on shoulder

A

tectospinal pathway

orient to appropriate stimulus

18
Q

cerebellar circuit

A

enter cerebral fiber, mossy fibers which synapse on granule cells and bifurcate become paralell fibers which synapse purkinje fibers and go to deep cerebellar nuclei

19
Q

inferior olive

A

contra lateral to cerebellum giving it a beat or metronom to keep cerebellum up to speed in movements

20
Q

Inferior olives synapse

A

turn into climbing fibers which synapse on purkinje cells

21
Q

direct basal ganaglia

A

glutamate is positive to striatum which inhibits globus pallidus internal that usually inhibits thalamus (VA VL) to motor Cx
increase movement

22
Q

glutamate on direct basal ganglia

A

excitatory +

dopamine + D1

23
Q

indirect basal ganglia

A 
\+ glutamate striatum
 inhibits globus external
which usually inhibits to subthalamic
get more + to globus pallidus internal which inhibits thalamus
inhibits signal to motor Cx
less mvoement
24
Q

dopamine on basal ganglia

A

inhibits indirect pathway D2

activates direct pathway

25
Q

papez circuit

A

cingulate gyrus to parahippocampal dyrus to hippocampus to fornix to mammillary body to ant nuc of thalamus to cingulate gyrus

26
Q

pathway of memory consolidation

A

neoCx to parahippocampal gyrus to entorhinal Cx to dentate to CA3 to CA1 to subiculum and back to entorhinal

27
Q

ligh transduction

A

11 cis to trans
activates transducin
activates cGMP phosphodiesterase which hypopolarize (turn off because always on!)

28
Q

visual pathway

A

R(rods and cones) to bipolar cells to ganglion cells to lateral geniculate to primary visual Cx

29
Q

contralateral layers in lateral geniculate nucleus

A

1,4,6

30
Q

ipsilateral layers in lateral geniculate nucleus

A

2,3,5

31
Q

layers parvo cells (fine detail and color)

layers magno cells

A

1 2: magnocells

3-6 parvocells (fine detail and color)

32
Q

anything in L visual field

A

R side of brain

33
Q

lesion to optic nerve on R side

A

loss of both field in right eye

34
Q

MS ocular sign

A

neuritis

lose central vision “scotoma” ipsi side

35
Q

pressure on optic chiasm

A

lose lateral visual fields

b/l hemianopia

36
Q

damage optic tract on R

A

lose L visual field

hematomous hemianopsia

37
Q

R inferior radiation loss

myers

A

lose superior half contralateral

“quadrantanopsia”

38
Q

baums loop lose superior radiation

A

lose contralateral optic radiation

inferior visual field

39
Q

fall back on head hit occiput Cx

sign

A

bilateral scotoma

lose central field in both eyes

40
Q

lateralization auditory system

A

bilateral

superior olivary nucleus

41
Q

lateral lemniscus

A

inferior colliculus
to medial geniculate nucleus
to primary auditory Cx

Year 2 neuro exam 1 (23 decks)

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