This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Brain , Subject name: Anatomy
[{'content': 'The paracentral lobule is located in \nSelect and explain. \nA. Medial surface of cerebral hemisphere, B. Superolateral surface of cerebral hemisphere, C. Tentorial surface of cerebral hemisphere, D. Orbital surface of cerebral hemisphere', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The paracentral lobule is a gyrus on the medial surface of the cerebral hemisphere. It is present in the motor area of frontal lobe where representation is upside down. The areas for the legs and perineum lie in the paracentral lobule.Ref: BD Chaurasia; volume 3; 6th edition; Brain; page no: 378', 'role': 'assistant'}]