This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Lower limb, Subject name: Anatomy
[{'content': 'Clergyman&;s knee is due to \nSelect and explain. \nA. Prepatellar bursitis, B. Subcutaneous Infrapatellar bursitis, C. Deep Infrapatellar bursitis, D. Suprapatellar bursitis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Subcutaneous Infrapatellar BursaIt lies in front of lower pa of the tibial tuberosity and of the lower pa of the ligamentum patellae.Subcutaneous infrapatellar bursitis is called "clergyman&;s knee."Ref: Chaurasia; Volume 2; 6th edition; Page no: 44', 'role': 'assistant'}]