This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Upper Limb Traumatology, Subject name: Orthopaedics
[{'content': 'Which of the following is/are sign of fracture ? \nSelect and explain. \nA. Abnormal mobility, B. Crepitus, C. Failure to transmit movement proximally, D. All of above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Sure signs of fracture :- 1 Abnormal mobility(best) 2 Failure to transmit movements proximally 3 Crepitus 4 Tenderness(Commonest sign)', 'role': 'assistant'}]