Refer to the figure below of a lateral CTA of cerebral arteries.

-Which arrow points to the internal carotid artery?
A) A
B) B
C) C
D) D
E) E

Question

Refer to the figure below of a lateral CTA of cerebral arteries.
 
-Which arrow points to the internal carotid artery?
A) A 
B) B 
C) C 
D) D 
E) E

Quizplus · Accepted Answer

The internal carotid artery is the branch of the common carotid artery that enters the skull to supply blood to the brain. In this image, arrow B points to the internal carotid artery as it enters the skull at the level of the posterior communicating artery. Arrow A points to the external carotid artery, arrows C and E point to branches of the vertebral artery, and arrow D points to the basilar artery.

Refer to the Figure Below of a Lateral CTA of Cerebral