This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pituitary, Subject name: Physiology
[{'content': 'Inhibition of prolactin is caused by: (Repeat) \nSelect and explain. \nA. Dopamine, B. Dobutamine, C. TRH, D. AT-II', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans: A (Dopamine) Ref: Pal GK, Pituitary Gland: The Anterior Pituitary. In: Textbook of Medical Physiology, Abuja Publishing House, 2007: 44:332Explanation:Regulation of Prolactin SecretionProlaction Increased by:PRFSleep, stress, breast feedingAlso released by TRH and hormones in the glucagon family (secretin, glucagon, VIP and gastric inhibitory polypeptide )AT-IIOxytocinDopamine antagonist (phenothiazine)Adrenergic blockersSerotonin agonistsProlactin Decreased by:DopamineSomatostatinProlactinGABA', 'role': 'assistant'}]