This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Physiology
[{'content': 'Which of the following is secreted by TRH stimulation? \nSelect and explain. \nA. Prolactin only, B. TSH only, C. Both, D. None', 'role': 'user'}, {'content': "Answer: C \nExplanation: TRH is derived from a pro-TRH peptide. Like other hypothalamic-releasing hormones, TRH reaches the anterior pituitary the hypothalamic-pituitary poal circulation. It interacts with specific receptors on pituitary thyrotrophs to release TSH and on mammotrophs to release prolactin. Ref: Textbook of Endocrine Physiology edited by William J. Kovacs, Sergio R. Ojeda, 2011, Page 324; Guyton's physiology, 22nd edition, Table 74-1 Page 907", 'role': 'assistant'}]