This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pituitary-Hypothalmic System and Thyroid, Subject name: Pharmacology
[{'content': 'Which of the following drugs DO NOT cause hyper- prolactinemia? \nSelect and explain. \nA. Bromocriptine, B. Haloperidol, C. Reserpine, D. Chlorpromazine', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Hyperprolactinemia is caused by D2 blockers. All the drugs listed are D2 blockers except Bromocriptine which is a D2 receptor agonist. It is used in the treatment of Hyperprolactinemia.', 'role': 'assistant'}]