POSTERIOR COMMUNICATING aery is a branch of: (A) Veebral aery, (B) Internal carotid aery, (C) External carotid aery, (D) Basillary aery
Answer is B. Posterior communicating aery is a branch of cerebral pa of internal carotid aery. It arises close to its termination. It runs backwards and anastomoses with proximal pa of posterior cerebral aery.Reference: Textbook of anatomy, Head neck, and brain, Vishram Singh, 2nd edition, page no.406