Cerebral arteries Flashcards

1
Q

Which cerebral artery supplies the lateral frontal lobe?

A

the middle cerebral artery

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2
Q

Which cerebral artery supplies the medial frontal lobe

A

anterior cerebral artery

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3
Q

Which cerebral artery supplies the inferior frontal lobe?

A

ACA and MCA, a watershed region

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4
Q

Which cerebral artery supplies the lateral parietal lobe?

A

middle cerebral artery

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5
Q

Which cerebral artery supplies blood to the medial parietal lobe?

A

ACA

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6
Q

Which cerebral artery supplies blood to the medial temporal lobe?

A

PCA

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7
Q

Which cerebral artery supplies blood to the occipital lobe?

A

PCA

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8
Q

Which cerebral artery supplies blood to the lateral temporal lobe?

A

MCA

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9
Q

Which cerebral artery supplies blood to the inferior temporal lobe?

A

PCA

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10
Q

What are the 3 blood brain barriers?

A

CSF (which is produced by choroid plexus), arachnoid-dural layer (meninges), and Blood brain barrier

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11
Q

What part of the brain does the posterior inferior cerebellar artery supply blood to?

A

medulla

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12
Q

What are some functions of the medulla?

A

helps control blood pressure, heart rate, breathing, and other automatic functions; sends signals from the spinal cord to the brain

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13
Q

What part of the brain does the anterior inferior cerebellar artery supply blood to?

A

cerebellum

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14
Q

If a person has nonfluent aphasia and apraxia of speech, then that person has a lesion in which cerebral artery?

A

middle cerebral artery

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15
Q

If a person is suffering from dysarthria, then that person has a lesion in which cerebral artery?

A

PICA or another cerebellar artery

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16
Q

If a person is suffering from dizziness, then the person has a lesion where?

A

SCA, since it supplies blood to the cerebellum

17
Q

If a person is experiencing cloudy thinking, then the person has a lesion in the

A

frontal lobe due to a disruption of blood flow from MCA and/or ACA

18
Q

If a person is experiencing right hemiparesis, then the person has a lesion in the

A

primary motor cortex lesion due to a disruption of blood flow from ACA and MCA (watershed region)

19
Q

What absorbs the CSF?

A

arachnoid granulations

20
Q

What is the flow of CSF?

A

lateral ventricles then 3rd ventricles via interventricular foramen then 4th ventricle via sylvan aqueduct then 2 exits laterally (foramen of Luschka) then 2 exits medially (foramen of Magendie) then subarachnoid space that fills the brain and spinal cord

21
Q

What is one possible consequence of hydrocephalus?

A

The brain gets compressed due to blockage of CSF flow; this compression constricts blood flow , oxygen, and nutrients to brain tissue and the tissue die.

22
Q

What areas of the brain does the anterior choroidal artery supply?

A

choroid plexus, hippocampus

23
Q

What areas of the brain does the ophthalmic artery supply?

A

eyeball, ocular muscles

24
Q

What areas of the brain does the posterior choroidal artery supply?

A

choroid plexus (3rd ventricle)

25
Q

Lenticulostriate arteries come from which cerebral artery?

A

MCA

26
Q

The putamen and head of caudate nucleus are supplied by the ________

A

ACA and MCA

27
Q

The thalamus is supplied by the

A

PCA