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Clinical Medicine 4 > Dr. Houston (Neuro)-Exam 3 > Flashcards

Dr. Houston (Neuro)-Exam 3 Flashcards

1
Q

What are the subdivisions of the nervouse system?

A
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2
Q

What are the different horns and roots of the spinal cord? What horn is special and why?

A

Lateral horn – serves SNS. Only in thoracolumbar spinal cord

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3
Q

What are descending and ascending tracts?

A
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4
Q

What are each track for:
* Lateral corticospinal
* Dorsal columns
* Lateral spinothalamic
* Ventral spinothalamic

A
  • Lateral corticospinal: motor
  • Dorsal columns: Fine touch, propioception, vibration
  • Lateral spinothalamic: pain and temperture
  • Ventral spinothalamic: light touch
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5
Q

What is the diencephalon?

A

the thalamus, hypothalamus, and epithalamus

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6
Q

What connects L + R hemispheres?
What makes up the epithalamus?

A
  • Corpus callosum
  • Habenula and pineal gland
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7
Q

What are the different ventricles?

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8
Q

What are the layers of the meningeal layers

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9
Q

Where is white vs gray matter in the brain??

A
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10
Q

What is the directions of the commissural, association and projection tracts?

A
  • Commissural: Left to right to different hemispheres
  • Association: Anterior to posterior-> different lobes
  • Projection tracts: superior to inferior

Tracks=nerves-

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11
Q

How many different layers are there in the brain?

A

6

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12
Q

What do astrocytes, ependymal cells, microglia, oligodendrocytes do?

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13
Q
  • What are the motor and sensory parts of the brain?
  • What and where are the broca and wernicke’s area
A
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14
Q

What are the different components of the spinal cord?

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15
Q
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16
Q

What are the different layers of a nerve?

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17
Q

What is the process of nerve impulse?

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18
Q

What are the different components of neuron?

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19
Q

What is the cervical plexus?

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20
Q

What is the brachial plexus?

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21
Q

What is the lumbar plexus?

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22
Q

What is the lumbosacral plexus?

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23
Q
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24
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25
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26
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27
Q

What division does the PNS have and what are the characteristics?

A
28
Q

What division does the SNS have and what are the characteristics?

A
29
Q

What has tonic activity?

A

BVs (smooth muscle) is only SNS therefore you need to increase or decrease the freq of AP for VC/VD

30
Q

What are the ganglion that is apart of SNS?

A
31
Q

What are the ganglion that is apart of SNS?

A
32
Q

What are the NTs to skeletal muscle, various organs via SNS, sweat glands and various organs via PNS?

A
33
Q
A
34
Q

Fill in for PNS and SNS

A
35
Q

Fill in for PNS and SNS

A
36
Q
A
37
Q

Fill in covered part

A
38
Q

Fill in covered part

A
39
Q
A
40
Q

Fill in covered spot

A
41
Q

What are the areas that are big and small for sensory?

A
42
Q

What are the areas that are big and small for motor?

A
43
Q

What are the ascending tracts? What are the order neurons?

A
44
Q

What are the descending tracts? What are the order neurons?

A
45
Q

What is the posterior columns, spinothalamic tract and corticospinal tract?

A
46
Q
A
47
Q

What is the excitation contraction pathway?

A
48
Q
A
49
Q

WHat are the inn. of eye?

A
50
Q
A
51
Q

What is the CN 3 a part of (reflex)? How does that work?

A

Pupillary light reflex: direct and consensual response

52
Q
A
53
Q

What muscles contract/reflex in the eyeswith SNS and PNS

A
54
Q

CN V injury
* Paralysis of what?
* Lostt of what? (2)

A
  • Paralysis of muscles of mastication (temporalis, medal and later pterygoid and masseter m)
  • Loss of facial general sensation
  • Loss of the corneal reflex
55
Q
A
56
Q

When is there a lost of corneal reflex?

A

Lesion of ophthalmic nerve (CN V1) or the facial nerve (CN VII)

57
Q

CN VII
* What is the sensory and speical sensory?

A
58
Q
A
58
Q

CN VII
* What is the parasympathetic?
* What is the motor part?

A

Stapedius muscle: dampens sound

59
Q

What are the components of CN VIII

A

Important for hearing, balanc and equilibrium

60
Q
A
61
Q

Why is CN XI susceptible to injury during surgical procedures?

A
62
Q

CN XI
* What is the result of lesion?
* What is impaired? (2)

A
63
Q

CN XII
* What does injury to CN XII cause?
* What happens after some time?

A
64
Q

What happens when there is a lesion on CN XII?

A

Clinical Medicine 4 (13 decks)

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