The _____ ensures collateral blood flow from blood vessels supplying the brain.
A) carotid arteries
B) basal artery
C) circle of Willis
D) vertebral arteries

Question

Quizplus · Accepted Answer

The circle of Willis is a circle of interconnected arteries located at the base of the brain. It ensures collateral blood flow from blood vessels supplying the brain, making it an important structure for maintaining adequate blood flow to the brain. The carotid arteries and vertebral arteries are also important blood vessels supplying the brain, but they do not ensure collateral blood flow like the circle of Willis does. The basal artery is not a real structure in the brain, so it is not a valid answer.

The _____ Ensures Collateral Blood Flow from Blood Vessels Supplying