Which Arteries Fuse to Form the Basilar Artery

Question

Which arteries fuse to form the basilar artery?
A) internal carotid arteries
B) external carotid arteries
C) brachial arteries
D) vertebral arteries
E) axillary arteries

Accepted Answer

The basilar artery forms from the fusion of the two vertebral arteries, which run up the spinal column and enter the skull through the foramen magnum.