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': 'A person sustains head trauma leading to transaction of pituitary stalk. All can be consequence of this, except \nSelect and explain. \nA. SIADH, B. Diabetes mellitus, C. Diabetes insipidus, D. Hyperprolactinemia', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Answer is B (Diabetes mellitus): Insulin is a pancreatic hormone, not under the control of pituitary. Transection of the pituitary stalk would therefore in no way affect glucose levels or lead to diabetes mellitus.', 'role': 'assistant'}]