This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2019, Subject name: Pharmacology
Secretion of prolactin is inhibited by? 
Select and explain. 
A. Dopamine, B. Nor - adrenaline, C. Adrenaline, D. Serotonin
A: Dopamine
Answer: A: Dopamine 
Explanation: PIH is secreted from hypothalamus Prolactin inhibiting hormone PIH (dopamine) Dopamine in the pituitary it stimulates D2 receptors Stimulated D2 receptors decrease prolactin D2 receptors are stimulated by a drug called as cabergoline DOC for hyperprolactinemia is cabergoline DA stimulates D2 receptors - | prolactin -