This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Physiology
[{'content': 'Osteoclasts are inhibited by \nSelect and explain. \nA. Parathyroid hormone, B. Calcitonin, C. 1,25-dihydroxycholecalciferol, D. Tumor necrosis factor', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Osteoclasts are Bone cells that break down and remove bone tissue.Calcitonin- a polypeptide hormone secreted by the parafollicular or C cells of the thyroid gland; it is involved in plasma calcium homeostasis and acts to decrease the rate of bone resorption.Ref: Ganong&;s review of medical physiology; 24th edition; page no:-387', 'role': 'assistant'}]