This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Orthopaedics
[{'content': 'The compression fracture is commonest in - \nSelect and explain. \nA. Cervical spine, B. Upper thoracic spine, C. Lower thoracic spine, D. Lumbosacral region', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Lower cervical and lower thorasic (dorsal) spine are the most common sites for vertical compression (Burst fracture). "In axial load injuries (compression injuries), the most common site of trauma is at the thoracolumbar junction". — Neurotrauma', 'role': 'assistant'}]