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: Pediatrics
[{'content': 'Seen in rickets A/E –a) Cupping of metaphysicb) Defective Mineralizationc) Epiphyseal dysgenesisd) Defective osteoid formation \nSelect and explain. \nA. ab, B. cd, C. bd, D. ac', 'role': 'user'}, {'content': 'Answer: B \nExplanation: In rickets osteoid (protein matrix) is formed normally but mineralization of this osteoid does not occur i.e. there is defective mineralization.\n\nPathophysiology of rickets \n1)\xa0\xa0 Normal anatomy and physiology of mineralization\n\nNormal growing bone has following regions (moving from end to centre) -', 'role': 'assistant'}]