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': 'Motor cycle fracture is otherwise called \nSelect and explain. \nA. Bumper fracture, B. Hinge fracture, C. Gutter fracture, D. Sutural fracture', 'role': 'user'}, {'content': "Answer: B \nExplanation: Transverse fracture of the base of skull - hinge fracture is common where the base of skull is divided into two halves, sometimes referred to as motor cyclist's fracture. ref: FORENSIC MEDICINE AND TOXICOLOGY Dr PC IGNATIUS THIRD EDITION PAGE 191", 'role': 'assistant'}]