This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General pathology, Subject name: Pathology
[{'content': 'Werner syndrome is \nSelect and explain. \nA. MEN-I, B. MEN-II, C. Premature ageing, D. Defective sirutins', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Patients with Werner syndrome show premature ageing due to the defect in DNA helicase enzyme, a protein involved in DNA replication and repair and other functions requiring DNA unwinding.Wermer syndrome is MEN-1 (note the spelling)Robbins 9th edition 66', 'role': 'assistant'}]