This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology and Reproduction, Subject name: Physiology
[{'content': 'TRH stimulation testing is useful in diagnosis of: \nSelect and explain. \nA. Insulin, B. ACTH, C. Growth hormone, D. PTH', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. (c) Growth hormone(Ref: Ganong, 25th ed/p.339)TRH stimulation test is useful in diagnosis of disorders of#Prolactin#Growth hormone', 'role': 'assistant'}]