This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
[{'content': 'Posterior Cerebral aery is a branch of: \nSelect and explain. \nA. Internal carotid, B. External carotid, C. Subclan, D. Basilar aery', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Basilar aery (Ref: B.D. Chaurasia, 3rd Ed, Vol lll/Pg 300) Basilar aery & its branches: The basilar aery is formed by the union of the right & left veebral aeries, at the lower border of pons. It ascends in the midline, ventral to the pons & extends at its upper border by dividing into the right & the left Posterior cerebral aeries. It gives off the following branches: (a) Superior Cerebellar (b) Pontine (c) Labyrinthine (d) Anterior inferior Cerebellar', 'role': 'assistant'}]