The internal carotid arteries and the basilar artery join on the base of the brain to form the
A) dural sinuses.
B) cerebral arterial circle.
C) cranial arteries.
D) None of the choices are correct.

Question

Quizplus · Accepted Answer

The junction of the internal carotid arteries and the basilar artery forms the cerebral arterial circle, also known as the circle of Willis. This circle provides important collateral circulation to the brain, allowing blood to flow to different areas even if one of the arteries becomes blocked or narrowed.

The Internal Carotid Arteries and the Basilar Artery Join on the Base