This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metabolic Disorders of Bone, Subject name: Orthopaedics
[{'content': 'The bodies of spine are biconcave and are called "codfish spine" most commonly seen in: \nSelect and explain. \nA. Scurvy, B. Osteomalacia, C. Fluorosis, D. Hyperparathyroidism', 'role': 'user'}, {'content': "Answer: B \nExplanation: Codfish Veebra is seen in 1. Osteoporosis > Osteomalacia 2. Sickle cell disease 3. Hereditary spherocytosis 4. Homocystinuria 5. Renal osteodystrophy 6. Osteogenesis imperfecta 7. Gaucher's disease", 'role': 'assistant'}]