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: Anatomy
[{'content': 'Mental foramen is located near \nSelect and explain. \nA. First premolar of mandible, B. Second molar of mandible, C. Canine of mandible, D. Canine of maxilla', 'role': 'user'}, {'content': 'Answer: A \nExplanation: On the medial surface of the mandible is the mandibular foramen for inferior alveolar nerve and vessels. The foramen leads in to mandibular-canal which opens on the lateral surface of the mandible at mental foramen, situated below the second premolar tooth.\nFracture of mandible most commonly involves neck.', 'role': 'assistant'}]