Circle of Willis

Question 1

draw it!

Answer 1

Draw the Fucking thing! make sure you can do it

Question 2

damage to one of the cerebral arteries will cause a defect on which side of the body?

Answer 2

contralateral

Question 3

damage to PCA will likely cause?

Answer 3

homonymous heminopia (eg; left PCA damage = loss of right visual field on both sides

Question 4

blood supply of the basal ganglia and internal capsule?

Answer 4

lenticulostriate arteries off mca

Question 5

blood supply of thalamus

Answer 5

perforating arteries off PCA

Question 6

blood supply of hypothalamus

Answer 6

ant = perforating off ACA (also optic chiasm)
post = perforating offf PCA

Question 7

blood supply of brainstem?

Answer 7

Midbrain = PCA & little bit from Superior Cerebellum
Pons = Pontine branches off Basilar
Medulla = PICA does Post, Vertebral does Lat & Anterior Spinal does Ant

Question 8

What does the posterior Communicating artery connect?

Answer 8

The Internal carotid and PCA

Question 9

what does the anterior communicating artery connect?

Answer 9

the 2 ACAs