This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Musculoskeletal  disorders, Subject name: Pediatrics
[{'content': 'The highest risk of uveitis in Juvenile idiopathic ahritis (JIA) is associated with _______ \nSelect and explain. \nA. RF positive polyahritis, B. Systemic JIA, C. ANA-positive oligoahritis, D. Enthesis-related ahritis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: ANA positive oligoahritis is associated with the highest risk for uveitis. The presence of a positive antinuclear antibody (ANA) confers increased risk for uveitis in children with JIA and requires periodic slit-lamp examination. Ref: Nelson textbook of pediatrics 21st edition Pgno: 1260, 1261', 'role': 'assistant'}]