This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Medicine
[{'content': 'The level of which one of the following hormones is likely to increase after hypothalamic ablation ? \nSelect and explain. \nA. Growth hormone, B. Prolactin, C. FSH, D. ACTH', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Lesions of hypothalamic pituitary region that disrupts lactotrope response associated with hyperprolactinemia. radiation- induced damage cause elevated PRL levels , usually in the range of 30-100 microgram / litre ( Harrison 17 pg 2205)', 'role': 'assistant'}]