This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head & Neck, Subject name: Anatomy
[{'content': 'The marked area in skull represents: \nSelect and explain. \nA. Asterion, B. Pterion, C. Bregma, D. Lambda', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. B Pterion', 'role': 'assistant'}]