Question

multiple choice question
the artery designated by an arrow in the figure of the circle of willis is the ______ artery.
o anterior cerebral
o internal carotid
o posterior communicating
o anterior communicating

Explanation:

The Circle of Willis is a circulatory anastomosis that supplies blood to the brain. The anterior communicating artery connects the two anterior cerebral arteries across the midline in the Circle of Willis. Based on the location of the arrow in the image, it is pointing to the anterior communicating artery.

Answer:

anterior communicating