This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Special topics, Subject name: Anatomy
[{'content': 'If a fracture, gives the pattern of the striking surface of the weapon it is called \nSelect and explain. \nA. Comminuted fracture, B. Ring fracture, C. Pond fracture, D. Signature fracture', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Signature fracture This is a depressed comminuted fracture produced by an object with a small striking surface and will give the pattern of the striking surface of the weapon which caused it like a hammer, butt of a rifle, etc. The weapon which caused the injury can be identified. Ref: FORENSIC MEDICINE AND TOXICOLOGY Dr PC IGNATIUS THIRD EDITION PAGE 163', 'role': 'assistant'}]