Posterior communicating aery is branch of: (A) Internal carotid aery, (B) External carotid aery, (C) Middle cerebral aery, (D) Posterior cerebral aery
Answer is A. Posterior communicating aery arises close to the termination of internal carotid aery. Other branches of cerebral pa internal carotid aery are: Ophthalmic aery Anterior cerebral aery Middle cerebral aery Anterior choroidal aery Posterior cerebral aery is a branch of basilar aery. (Ref: Vishram Singh textbook of clinical neuroanatomy 2nd edition, pg- 176)