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: Pathology
[{'content': 'Rickets is due to -a) Loss of calcium in urineb) Increased mobilisation of calcium from bonec) Decreased absorption of calciumd) Loss of phosphate in Urine \nSelect and explain. \nA. ab, B. bc, C. bd, D. cd', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Rickets is a metabolic disorder characterized by deficient mineralization of bone.\nRickets may be due to : -\n\n\nVit D deficient → ↓ absorption of calcium (Vit D dependent rickets).\nIncreased phosphate excretion due to defective reabsorption → Vit D resistant rickets.', 'role': 'assistant'}]