This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Shoulder and arm injuries, Subject name: Orthopaedics
[{'content': 'what is the most common Cause of single veebra collapse ? \nSelect and explain. \nA. Trauma, B. Tuberculosis, C. Metastasis, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Veretebreal compression fractures can be caused by Osteoporosis Trauma TUBERCULOSIS METASTASIS Disease affecting bone(pathological fractures) REF : maheswari 9th ed', 'role': 'assistant'}]