This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Breast, Subject name: Pathology
[{'content': 'All are Markers of bone formation except \nSelect and explain. \nA. Osteocalcin, B. Alkaline phosphatase, C. Procollagen residue, D. Hydroxyproline', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Osteocalcin,Alkaline phosphatase & Procollagen residue are Markers of bone formation. Refer robbins 9/e p774', 'role': 'assistant'}]