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Neuroscience Quiz 1 > Vasculature > Flashcards

Vasculature Flashcards

1
Q

Why can damage to aorta cause damage to the anterior part of the spinal cord?

A

It can damage the artery of Adamkiewicz which supplies the anterior spinal artery from T12 down.

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2
Q

What two structures do the ICAs pass through on their way to the brain?

A

Carotid canal

Cavernous sinus

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3
Q

Where do the vertebral arteries run into the skull?

A

Foramen magnum

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4
Q

What is the posterior and anterior circulation of the brain referring to?

A

Anterior- ICAs

Posterior- vertebral

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5
Q

The anterior communicating artery joins what?

A

Anterior cerebral arteries

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6
Q

The ophthalmic artery is a branch of what?

A

ICA

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7
Q

How many arteries branch off the ICA? They are?

A

5- posterior communicating, anterior choroidal, anterior cerebral, middle cerebral, ophthalmic

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8
Q

The anterior choroidal artery branches off what?

A

ICA

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9
Q

The posterior communicating artery joins what?

A

ICA

Posterior cerebral artery

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10
Q

The posterior cerebral artery is a branch of what?

A

Basilar artery

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11
Q

The superior cerebellar artery is a branch of what?

A

Basiliar artery

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12
Q

AICA is a branch of what?

A

Basilar artery

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13
Q

How many branches does the vertebral artery have?

A

3- PICA, anterior spinal artery, basilar artery

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14
Q

PICA is a branch of what?

A

Vertebral artery

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15
Q

The vertebrobasilar arterial system supplies how far up?

A

Brain stem –> diencephalon –> posterior cortex

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16
Q

What supplies the lateral Brainstem?

A

PICA

17
Q

What supplies the most medial region of the medulla?

A

Anterior spinal artery

18
Q

What supplies the most lateral region of the medulla?

A

PICA

19
Q

What supplies the lateral part of the Pons?

A

AICA

20
Q

What supplies the medial part of the pons?

A

Basilar

21
Q

What supplies the more medial region of the midbrain?

A

Basilar

22
Q

What supplies the lateral region of the midbrain?

A

Superior cerebellar

Posterior cerebral

23
Q

What supplies the occipital lobe?

A

Posterior cerebral

24
Q

What supplies the medial temporal lobe?

A

Posterior cerebral

25
Q

What supplies the inferior temporal lobe?

A

Posterior cerebral

26
Q

What supplies the lateral temporal lobe?

A

Middle cerebral

27
Q

What supplies the parietal lobe?

A

Mostly anterior cerebral

28
Q

What supplies the frontal lobe?

A

Anterior cerebral

29
Q

The anterior cerebral artery courses directly superior to which structure?

A

Cingulate gyrus

30
Q

Which branches of the middle cerebral artery supply deep structures and are damaged by age, diabetes, HTN and stimulant abuse?

A

Lenticulostriate arteries

31
Q

What arteries supply the basal ganglia?

A

Deep penetrating arteries

32
Q

What arteries supply the thalamus?

A

Deep penetrating arteries

33
Q

What is a watershed?

A

Area between blood vessel distributions that is susceptible to low MAP from cardiac arrest and causes ischemic tissue that appears as wedges.

34
Q

Rupture of what veins causes subdural hematomas?

A

Bridging veins

35
Q

Which 2 veins drain deep structures in the brain?

A

Inferior sagittal sinus

Great cerebral vein

36
Q

What vein drains the eye and orbit?

A

Cavernous sinuses

37
Q

Which connects the cavernous sinus to the transverse sinus?

A

Petrosal sinus

38
Q

What are the 3 vessels that supply the spinal cord? What do they branch from?

A

Anterior spinal artery
2 Posterior spinal arteries
Vertebral arteries

Neuroscience Quiz 1 (7 decks)

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