This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bony dysplasia and soft tissue affection, Subject name: Orthopaedics
[{'content': 'Usual site of TB bursitis - \nSelect and explain. \nA. Prepatellar, B. Subacromial, C. Subdeltoid, D. Trochanteric', 'role': 'user'}, {'content': 'Answer: D \nExplanation: TB is is still a common infection in developing countries. After lung and lymph nodes bone and joint is the next common site of TB in the body. The commonest bursa involved in TB is trochanteric bursa resulting in trochanteric bursitis. REF:Essential ohopaedics- Maheshwari- 5th edn - pg no 182.', 'role': 'assistant'}]