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: Anatomy
[{'content': 'True about osteoporosis- \nSelect and explain. \nA. Low calcium, B. Low phosphate, C. Cod fish veebrate, D. Raised alkaline phosphatase', 'role': 'user'}, {'content': "Answer: C \nExplanation: *Serum calcium, phosphate and alkaline phosphatase are normal in osteoporosis. *Cod fish appearance of veebrae is seen in X-ray. Ref: Appley's 6th/e p.133", 'role': 'assistant'}]