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': 'Effect of steroids on calcium \nSelect and explain. \nA. Increased plasma level, B. Increased absorption from gut, C. Increased excretion from kidney, D. None', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Steroid hormones lower plasma calcium levels and they increase the renal excretion of calciumRef: Ganong&;s review of medical physiology; 24th edition; page no:-385', 'role': 'assistant'}]