Blood Supply to the Brain

Question 1

What are the two arterial routes to the brain?

Answer 1

Internal carotids and vertebral arteries

Question 2

What are the 5 main branches of the internal carotid?

Answer 2

Central artery of retina
ophthalmic artery
anterior cerebral
middle cerebral
internal carotid

Question 3

What are the 3 main branches of the vertebral artery?

Answer 3

Posterior cerebral artery
basilar artery
left vertebral artery

Question 4

What are the use of the intracranial veins?

Answer 4

They drain into dural venous sinuses