Neuro: Internal Carotid System

Question 1

internal carotid artery branches:

Answer 1

opthalmic artery
posterior communicating artery
anterior choroidal artery
anterior cerebral artery
internal carotid artery

Question 2

branch of ophthalmic artery: occlusion causes blindness

Answer 2

central artery of the retina

Question 3

posterior communicating artery irrigates

Answer 3

hypothalamus

ventral thalamus

Question 4

aneurysm of the posterior communicating artery results in

Answer 4

third nerve palsy

Question 5

anterior choroidal artery perfuses

Answer 5

lateral geniculate body
globus pallidus
posterior limb of internal capsule

Question 6

anterior cerebral artery supplies

Answer 6

medial surface of the hemisphere from the frontal pole to the parietooccipital sulcus
paracentral lobule (leg-foot area of motor and sensory cortices)

Question 7

aneurysm to anterior cerebral artery results in

Answer 7

bitemporal lower quadrantanopia

Question 8

medial striate arteries are derived from

Answer 8

anterior cerebral artery

Question 9

medial stirate arteries supply

Answer 9

anterior portion of putamen
caudate nucleus
anteroinferior part of internal capsule

Question 10

middle cerebral artery supplies

Answer 10

lateral convexity of the hemisphere including:

• Broca’s and Wernicke’s speech areas
• face and arm areas of motor and sensory cortices
• frontal eye fields

Question 11

lateral striate arteries are derived from

Answer 11

middle cerebral arteries

Question 12

nicknamed “stroke arteries” and what they supply

Answer 12

lateral striate arteries

• internal capsule
• caudate nucleus
• putamen
• globus pallidus