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 of the following are seen in MEN II B, Except: \nSelect and explain. \nA. Hyperparathyroidism, B. Neuromas, C. Pheochromocytoma, D. Medullary Carcinoma Thyroid', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Answer is A (Hyperpahyroidism): Hyperparathyroidism is not seen in MEN II B syndromes. Hyperparathyroidism (Parathyroid Hyperplasia or adenoma) is seen in MEN I and MEN II A.', 'role': 'assistant'}]