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BMB Test 1 > B7-090 Gross Brain Lab Intro > Flashcards

B7-090 Gross Brain Lab Intro Flashcards

1
Q

which lobe has a primarily motor function?

A

frontal

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2
Q

which lobe has a primarily sensory function?

A

parietal

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3
Q

divides the occipital lobe from the parietal

A

parieto-occipital sulcus

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4
Q

what differentiates the layers of the cerebral cortex?

A

number and type of neurons in each layer

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5
Q

layer of the cortex that receives information

A

4, internal granular

would be larger in sensory areas, lots of info coming in

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6
Q

layer of the cortex that sends information to the periphery

A

5, ganglionic layer

this will be larger in the motor cortex, lots of info going out

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7
Q

what layer of the cortex would you expect to be largest in a primary motor center?

A

5

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8
Q

what layer of the cortex would you expect to be largest in a primary sensory center?

A

4

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9
Q

divides the frontal lobe from the parietal

A

central sulcus

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10
Q

the central sulcus lies between the […] and [..] gyrus

A

precentral (primary motor cotex)
postcentral (primary somatosensory cortex)

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11
Q

divides the temporal lobe from the rest of the brain

A

sylvian fissure

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12
Q

broca’s area is located in the […] lobe

A

frontal

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13
Q

production of speech

A

broca’s

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14
Q

understanding of speech

A

wernicke’s

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15
Q

wernicke’s is located in the […] lobe

A

temporal

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16
Q

what layer of the cortex would you expect to be largest in a cortical association center?

A

3

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17
Q

fiber bundle that connects the right and left hemispheres

A

corpus callosum

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18
Q

sits on top of the corpus callosum
important role in learning and memory

A

cingulate gyrus

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19
Q

the gyri on either side of the […] represent primary visual cortex

A

calcarine sulcus

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20
Q

parts of diencephalon [3]

A

thalamus
hypothalamus
pineal gland (unpaired gland)

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21
Q

components of brainstem [3]

A

midbrain
pons
medulla

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22
Q

functions in maintaining balance, smooth movements

A

cerebellum

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23
Q

periaqueductal gray surrounds the […]

A

cerebral aqueduct

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24
Q

posterior circulation arises from

A

vertebral arteries

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25
Q

anterior circulation arises from

A

internal carotids

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26
Q

links the vessels in the posterior circulation to the anterior circulation

A

circle of Willis

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27
Q

blood vessels that supply midbrain [2]

A

posterior cerebral
superior cerebellar

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28
Q

what cranial nerve goes through the medulla?

A

hypoglossal XII

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29
Q

what cranial nerve lies in the midline of the midbrain?

A

occulomotor III

30
Q

blood vessels that supply the cerebral cortex? [3]

A

posterior cerebral artery
middle cerebral artery (off internal carotid)
anterior cerebral artery

31
Q

supplies the part of the cortex that controls body surface below the waist

A

anterior cerebral artery

32
Q

subcortical structures that regulate the magnitude of movement

A

basal ganglia

33
Q

fiber bundle that separates the thalamus and basal ganglia

A

internal capsule

34
Q

structures of the forebrain [2]

A

telencephalon
diencephalon

35
Q

structures of the midbrain

A

mesencephalon

36
Q

structures on the hindbrain [2]

A

metencephalon
myelencephalon

37
Q

[…] deficits are useful in localizing brain lesions

A

cranial nerve

38
Q

posterior circulation arises from the [….]

A

vertebral arteries

39
Q

anterior circulation arises from the […]

A

internal carotids

40
Q

arteries supplying the midbrain [2]

A

posterior cerebral
superior cerebellar

41
Q

arteries supplying the pons [2]

A

paramedian and circumfrential branches of the basilar
superior and anterior inferior cerebellar

42
Q

arteries supplying the medulla [3]

A

anterior spinal
vertebral
posterior inferior cerebellar

43
Q

artery supplying the lateral surface of the motor/somatosensory cortex

A

middle cerebral

44
Q

deficits above the waist can indicate loss of blood via […] artery

A

middle cerebral

45
Q

artery supplying the medial surface of the motor/somatosensory cortex

A

anterior cerebral

46
Q

deficits below the waist can indicate loss of blood via […] artery

A

anterior cerebral

47
Q

the thalamus is located in the […]encephalon

A

diencephalon

48
Q

structure that regulates magnitude of movement

A

basal ganglia

49
Q

fiber bundle that separates the thalamus and basal ganglia

A

posterior limb of internal capsule

50
Q

originates from the internal carotid and travels between two cerebral hemispheres to supply the medial surface of the cortex

A

anterior cerebral artery

51
Q

travels through the lateral fissure and spreads out to supply the lateral surface of the cortex

A

middle cerebral artery

52
Q

supplies the occipital lobe and ventral surface of the cortex

A

posterior cerebral artery

53
Q

supply the brainstem [2]

A

basilar artery
vertebral arteries

54
Q

supplies lateral somatosensory cortex

A

middle cerebral artery

55
Q

supplies lateral motor cortex

A

middle cerebral artery

56
Q

supplies medial somatosensory cortex

A

anterior cerebral artery

57
Q

supplies medial motor cortex

A

anterior cerebral artery

58
Q

the anterior and middle cerebral arteries are part of […] circulation

A

anterior

59
Q

anterior circulation arises from

A

internal carotids

60
Q

posterior circulation arises from

A

vertebral arteries

61
Q

precentral gyrus

A

primary motor cortex

62
Q

postcentral gyrus

A

primary somatosensory gyrus

63
Q

interprets information in the visual environment

A

primary visual cortex

64
Q

the posterior limb of the internal capsule separates the […] from the […] medially

A

basal ganglia
thalamus

65
Q

the anterior limb of the internal capsule separates the […] from the […]

A

caudate nucleus
putamen and globus pallidus

66
Q

function of the caudate nucleus

A

motor function

67
Q

function of the hippocampus

A

memory

68
Q

function of the putamen

A

motor

69
Q

degenerates in parkinson’s

A

substantia nigra

70
Q

the medial surface of the occipital lobe is supplied by

A

posterior cerebral artery

71
Q

supplies the medial surface of the cortex

A

the anterior cerebral artery

72
Q

supplies the lateral surface of the frontal and parietal lobe

A

middle cerebral artery

BMB Test 1 (17 decks)

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