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': "Pott's spine is commonest in the spine - \nSelect and explain. \nA. Cevical, B. Thoracic, C. Lumbar, D. Sacral", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Maheshwari has mentioned that Dorsolumbar region is the most common site of spinal tuberculosis. Which is absolutely correct. However, It is worth noting that dorsolumbar region refers to combination of lower dorsal and upper lumbar.\nThe exact frequency for each segment is as follows (Published on the site of AIIMS as well as given in Ebnezar) : -', 'role': 'assistant'}]