Cerebral Circulation

Question 1

Where does cerebral circulation originate?

Answer 1

Aortic arch (2 carotid arteries, 2 vertebral arteries)

Question 2

This forms the anterior and posterior circulation

Answer 2

Circle of Willis

Question 3

This artery comes out laterally from the anterior circulation and supplies the lateral aspect of the cortex.

Answer 3

Middle Cerebral Artery

Question 4

The MCA superior divison includes:

Answer 4

Frontal lobe
Area 4
Area 44
Broca’s Area
Areas 6-8
Area 3,1,2

Question 5

What impairment will damage to area 4 result in?

Answer 5

Contralateral Hemiplegia

Question 6

The MCA inferior division includes:

Answer 6

Parietal lobe
Superior temporal gyrus
Middle temporal gyrus
Areas 39 and 40
Areas 5-7

Question 7

What small vessels supply the diencephalon?

Answer 7

Candelabra branches of the MCA

Question 8

What artery supplies the pons and midbrain?

Answer 8

Deep penetrating branches of the basilar artery

Question 9

This artery goes up medially in the cortex.

Answer 9

Anterior Cerebral Artery

Question 10

The Anterior Cerebral Arter loops around what structure?

Answer 10

Corpus Callosum

Question 11

What does the Anterior Cerebral Artery supply?

Answer 11

Medial aspect of the cortex

Question 12

What structures does the Posterior Cerebral Artery supply?

Answer 12

Occipital lobe
Inferior temporal gyrus

Question 13

What brodmann’s areas does the posterior cerebral artery supply?

Answer 13

Areas 9-12

Question 14

Disruption in the posterior cerebral artery causes what?

Answer 14

Cortical blindness
Visual prosopagnosia
Amnesia

Question 15

Brain Ischemia leads to _____.

Answer 15

Stroke