An arteriogram of the cerebral vessels demonstrate that the
A
Spinal arteries arise from vertebral system
B
Middle cerebral arteries arise from the internal carotid system
C
Posterior communicating arteries join the vertebral and internal carotid systems
D
Vertebral and internal carotid systems are joined by the anterior communicating artery
E
Circle of Willis is an incomplete circle
Correct Answer: Spinal arteries arise from vertebral system, Middle cerebral arteries arise from the internal carotid system, Posterior communicating arteries join the vertebral and internal carotid systems
