This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Inborn Errors of Metabolism, Subject name: Pediatrics
[{'content': 'K-F ring is seen in: \nSelect and explain. \nA. Wilson disease, B. Von Gierke disease, C. Phenylketonuria, D. Diabetes', 'role': 'user'}, {'content': "Answer: A \nExplanation: a. Wilson disease(Ref: Nelson's 20/e p 1939-1940, Ghai 8/e p 320-321)Wilson disease (hepatolenticular degeneration) is an autosomal recessive disorder characterized by degenerative changes in the brain, liver disease, and Kayser-Fleischer rings in the cornea.", 'role': 'assistant'}]