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ANP 1106 > Motor shit > Flashcards

Motor shit Flashcards

1
Q

name of direct projects to spinal cord

A

corticospinal

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2
Q

name of indirect projects to spinal cord

A

corticobulbar

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3
Q

where is movement initiated

A

basal ganglia

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4
Q

what regulates movement

A

the cerebellum

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5
Q

where does the info from the cerebellum go

A

the motor cortex

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6
Q

what occurs when there are lesions on the basal ganglia

A

akinesia

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7
Q

what occurs when there are lesions on the cerebellum

A

dyskinesia

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8
Q

what level of control involves the motor cortex

A

middle

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9
Q

what level of control involves the cerebellum and basal nuclei

A

highest

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10
Q

what is the lowest level of motor control

A

spinal cord

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11
Q

what is akenisa

A

not being able to make movements

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12
Q

what is dyskenisia

A

no good fine movements

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13
Q

what side of the brain is the brocas area on

A

left normally

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14
Q

what two neurons are involved in motor pathways

A

upper and lower

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15
Q

where is the upper motor neuron

A

in the motor cortex

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16
Q

what is the lower motor neuron

A

spinal motor neuron or a cranial nerve motor neuron

17
Q

what does the word corticobulbar mean

A

cortex to the brain stem

18
Q

the direct pathway regulates what kind of movements

A

fast and fine (skilled)

19
Q

lesions in the white matter of the brain or spinal cord will lead to what and why (2 whats)

A

paralysis because you lose innervation of the true motor neuron

enhancement of the spinal reflex

20
Q

damage to the lower motor neuron will result in

A

lower neuron paralysis

no spinal reflexes

21
Q

where would a cut be for paraplegia

A

between T1 and L1

22
Q

where would a cut be for quadriplegia

A

in the cervical region

23
Q

what is damaged in flaccid paralysis

A

ventral root or anterior horn cells

24
Q

what is damaged in spastic paralysis

A

upper motor neurons of primary motor cortex

25
Q

what type of paralysis has no voluntary or involuntary muscle control

A

flaccid

26
Q

what type of paralysis has the spinal neurons remaining intact

A

spastic

27
Q

what type of paralysis has muscles stimulated irregularly

A

spastic

28
Q

what type of system controls neck head and eye movements

A

indirect

29
Q

what system would you use to play the piano

A

direct

30
Q

what system would you use to move a piano

A

indirect

31
Q

where do all indirect pathways end

A

ventral horn

32
Q

what are the 4 kinds of indirect pathways

A

tectospinal
vestibulospinal
rubrospinal
reticulospinal

33
Q

what are the two kinds of direct pathways

A

lateral corticospinal
ventral cortiocospinal

34
Q

what are the most prominent descending tracts

A

corticospinal

35
Q

what are the two kinds of corticospinal tracts

A

lateral
ventral

36
Q

what are the two kinds of reticulospinal tracts

A

medial
lateral

ANP 1106 (13 decks)

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