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 causes hypocalcemia:September 2008 \nSelect and explain. \nA. Parathormone, B. Thyroid hormones, C. Calcitonin, D. 1, 25-dihydroxycholecalciferol', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C: Calcitonin', 'role': 'assistant'}]