Circle of Willis

Question 1

Anterior Cerebral Artery (ACA)

Answer 1

– stems from internal carotid
– supplies frontal and parietal lobes
– lower limbs

Question 2

Middle Cerebral Artery (MCA)

Answer 2

– stems from internal carotid
– supplies frontal, parietal and temporal lobes
– head, upper limbs and thoracic areas

Question 3

Posterior Cerebral Artery (PCA)

Answer 3

– stems from basilar artery
– supplies occipital lobe
– vision damage