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': 'Enthesopathy is commonly found in - \nSelect and explain. \nA. Rheumatoid arthritis, B. Rheumatic fever, C. Ankylosing spondylitis, D. Osteoarthritis', 'role': 'user'}, {'content': "Answer: C \nExplanation: Enthesopathy\n\nEnthesopathy is any abnormality of the site where the tendons and ligaments join the bone.\nAbnormalities that can occur include inflammation (enthesitis) and calcification.\nImportant causes are:-\n\n\nAnkylosing spondylitis\xa0\xa0\xa0\xa0\xa0\xa0\nPlantar fascitis\nOther seronegative spondyloarthropaties\xa0\xa0\n\xa0Golfer's elbow\nReiter's syndrome\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\nPostman's heel\nTennis elbow\xa0\xa0\xa0\xa0\nIliotibial band syndrome", 'role': 'assistant'}]