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': 'Hypocalcemia in child -All except? \nSelect and explain. \nA. Digeorge syndrome, B. Hypo parathyroidism, C. Magnesium deficiency, D. All of above', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., All of above Causes of hypocakemia Hypo parathyroidism Digeorge syndrome PTH receptor defect (pseudo hypoparathyroidism) Magnesium dificiency Exogenous organic phosphate excess Vit D difeciency", 'role': 'assistant'}]