This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Death and Investigations, Subject name: Forensic Medicine
[{'content': 'Motorcyclist fracture among the following is \nSelect and explain. \nA. Ring fracture, B. Sutural separation, C. Comminuted fracture of vault of skull., D. Fracture base of skull into anterior & posterior halves.', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e. Fracture base of skull into anterior & posterior halves The fracture of base of skull dividing it into two halves (anterior & posterior), each moving independently of each other like a hinge is specifically called as motor cyclist fracture.The fracture line runs across through the pituitary fossa and along the petrous temporal bones.It's a fatal injury & occurs in many types of road accidents or due to a very heavy impact on one side of the head.", 'role': 'assistant'}]