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: Medicine
[{'content': 'All are examples of genetic defects in insulin action, except: \nSelect and explain. \nA. Leprechaunism, B. Rabson-Mendenhall syndrome, C. Lipodystrophy syndromes, D. MODY type 3', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Examples of Genetic defects in insulin action are: 1. Type A insulin resistance 2. Leprechaunism 3. Rabson-Mendenhall syndrome 4. Lipodystrophy syndromes Ref: Harrisons Principles of Internal Medicine, 18th Edition, Page 2969.', 'role': 'assistant'}]