Blood Supply to the Brain

Question 1

the blood supply to the brain arises from which branch of the subclavian atery?

Answer 1

vertebral artery

Question 2

at what level does the vertebral artery enter the spinal column?

Answer 2

C6

Question 3

what branch does the vertebral artery gove off before it becomes the basilar artery?

Answer 3

posterior inferior cerebellar artery

Question 4

what artery does the vertebral artery join with?

Answer 4

anterior spinal artery

Question 5

the vertebral and anterior spinal arteries join to make the…?

Answer 5

basilar artery

Question 6

what is the first branch of the basilar artery?

Answer 6

anterior inferior cerebellar artery

Question 7

after the pontine branches, what is the next branch of the basilar artery?

Answer 7

superior cerebellar artery

Question 8

what arteries form the circle of willis?

Answer 8

posterior communicating arteries
posterior cerebral arteries
middle cerebral arteries
anterior cerebral arteries
anterior communicating artery

Question 9

what does the anterior cerebral artery supply?

Answer 9

superior and rostral aspect of each hemisphere

medial aspect of each hemisphere

Question 10

what does the middle cerebral artery supply?

Answer 10

lateral aspect of each hemisphere

Question 11

what does the posterior cerebral artery supply?

Answer 11

posterior part of each hemisphere

inferior aspect of the temporal lobe

Question 12

describe the course of the middle meningel artery

Answer 12

1. leaves the circle of willis as the horizontal segment (M1)
2. runs through the lateral fissure, giving off lenticulo-striate branches (M2)
3. exits the lateral fissure
4. runs inferiorly and superiorly along the surface of the cortex, giving off cortical branches (M3)

Question 13

what ateries supply the materior limb of the internal capsule?

Answer 13

anterior cerebral

middle cerebral

Question 14

what arteries supply the genu of the internal capsule?

Answer 14

anterior cerebral
middle cerebral
ICA

Question 15

what arteries supply the posterior limb of the internal capsule?

Answer 15

middle cerebral

anterior choroidal