This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Rheumatoid Arthritis, Subject name: Orthopaedics
[{'content': 'Windswept deformity in foot is seen in - \nSelect and explain. \nA. Rickets, B. RA, C. Hyperparathyroidism, D. Scurvy', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. is \'b\' i.e., RA Please notice, foot in the question. For foot, the correct answer is "RA", for knee it\'s Rickets. Windswept deformity Knee : - A valgus deformity of one knee in association of varus deformity of other knee is know as windswept deformity. It is seen in : Rickets, Physeal oseochondromatosis, Hereditary dysplasia (epiphyseal dysplasia) of bone and Rheumatoid arthritis. Foot: - Deviation of all - toes in one direction (usually laterally) is known as windswept deformity. It is seen in Rheumatoid arthritis. Hand : - Deviation of all fingers (usually medialy) is know as windswept deformity. It is seen in Rheumatoid arthritis, SLE, and Jacoud\'s arthropathy.', 'role': 'assistant'}]