Posterior communicating aery is a branch of:: (A) Internal carotid, (B) External carotid, (C) Middle cerebral, (D) Posterior superior cerebellar
Answer is A. Posterior communicating aery is a branch of the cerebral pa of the internal carotid aery. The cerebral pa lies at the base of the brain.Ref: Human Anatomy, B D Chaurasia, 4th Edition, Volume 3, Chapter 6, Page 103.