This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous (Pharmacology), Subject name: Pharmacology
[{'content': 'Prolactin is inhibited by \nSelect and explain. \nA. Dopamine, B. Neurophysin, C. Sertonin, D. Glutamate', 'role': 'user'}, {'content': 'Answer: A \nExplanation: (A) Dopamine# PITUITARY PROLACTIN secretion is regulated by endocrine neurons in the hypothalamus, the most important ones being the neurosecretory tuberoinfundibulum neurons of the arcuate nucleus, which secrete dopamine to act on the D2 receptors of lactotrophs, causing inhibition of prolactin secretion. Thyrotropin-releasing factor has a stimulatory effect on prolactin release.', 'role': 'assistant'}]