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Head & Neck Anatomy (Palade Version) > Lec 6 Brain > Flashcards

Lec 6 Brain Flashcards

1
Q

What lobes does the central sulcus separate?

A

frontal and parietal lobes

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2
Q

What is the basic role of the frontal lobe?

A

personality and decision making

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3
Q

What is the basic role of the parietal lobe?

A

somatosensory

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4
Q

What is the basic role of the occipital lobe?

A

seeing

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5
Q

What is the basic role of the temporal lobe?

A

hearing

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6
Q

What are most people: right brain dominant or left brain dominant?

A

left

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7
Q

Which side of the brain is the lanuage center located?

A

left side

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8
Q

What are the two big language areas of the brain called?

A

Broca’s area
Wernicke’s area

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9
Q

What is the job of Broca’s area in the brain?

A

production of language (speaking)

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10
Q

What is the job of Wernicke’s area in the brain?

A

reception of language (reading, listening)

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11
Q

What is the homunculus of the brain?

A

a motor and sensory map for the brain where one side of the brain controls the other side of the body

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12
Q

What are the three most important spinal pathways?

A
  • Pyramidal or Lateral Corticospinal tract
  • Posterior Columns or Dorsal Columns
  • Anterolateral or Spinothalamic tract
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13
Q

What is the pyramidal or lateral corticoospinal tract for?

A

voluntary movements

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14
Q

What is the posterior columns or dorsal columns for?

A

vibration and position

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15
Q

What is the anterolateral or spinothalamic tract for?

A

pain and temperature

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16
Q

What is the pathway of the pyramidal/lateral corticospinal tract?

A
  • primary motor cortex (precentral gyrus)
  • posterior limb of internal capsule
  • pyramidal decussation
  • lateral corticospinal tract
  • anterior horn
  • skeletal muscle
17
Q

What is the path for the posterior/dorsal column?

A
  • sensation (touch, vibration, etc.)
  • dorsal root ganglion
  • spinal cord
  • medulla
  • gracile nucleus
  • thalamus
  • primary somatosensory cortex
18
Q

What is the pathway for anterolateral/spinothalamic tract?

A
  • sensation (pain, temp, etc.)
  • dorsal root ganglion
  • spinal cord
  • anterolateral pathway
  • thalamus
  • primary somatosensory cortex
19
Q

What is the path of CSF through the ventricles?

A

lateral ventricles
foramen monroe
3rd ventricle
cerebral aqueduct
4th ventricle

20
Q

What is the purpose of arachnoid granules?

A

grab CSF, create vacuoles, transport it into the venous circulation (main job is the push CSF back into venous circulation to not overload the nervous system)

21
Q

What are the branches of the internal carotid?

A

anterior cerebral
anterior communicating
middle cerebral

22
Q

What are the branches of the vertebral artery?

A

basilar
posterior cerebral
posterior communicating

23
Q

What can a berry aneurysm impinge on when created alonge the basilar and posterior cerebral artery?

A

can impinge on CN III

24
Q

What is the distribution of the anterior cerebral artery?

A

cerebral hemispheres (NOT occipital lobe)

25
Q

What is the distribution of the anterior communicating artery?

A

cerebral arterial circle (of Willis)

26
Q

What is the distribution of the middle cerebral artery?

A

most of lateral surface of cerebral hemispheres

27
Q

What is the distribution of the basilar artery?

A

brainstem, cerebellum, and cerebrum

28
Q

What is the distribution of the posterior cerebral artery?

A

inferior aspect of cerebral hemisphere and occipital lobe

29
Q

What is the distribution of the posterior communicating artery?

A

optic tract, cerebral peduncle, internal capsule, and thalamus

30
Q

What is the distribution of the vertebral artery?

A

cranial meninges and cerebellum

31
Q

What is the distribution of the internal carotid artery?

A

branches to walls of cavernous sinus, pituitary, trigeminal ganglion; provides primary support to the brain

Head & Neck Anatomy (Palade Version) (17 decks)

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