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': 'A 10 year old boy has a fracture of femur. biochemical evaluation revealed Hb 11.5 gm/dl and ESR 18 mm 1st hour. Serum calcium 12.8 mg/dL, serum phosphorus 2.3 mg/dL, alkaline phosphate 28 KA units and blood urea 32 mg/dl. Which of the following is the most probable diagnosis in his case – \nSelect and explain. \nA. Nutritional ricicets, B. Renal rickets, C. Hyperparathyroidism, D. Skeletal dysplasia', 'role': 'user'}, {'content': "Answer: C \nExplanation: You can solve the question just looking at calcium value. Amongst the given options only hyperparathyroidism causes hypercalcemia.\n\nThe patient in question has an increased serum Ca', decreased serum phosphorus and increased values of alkaline phosphatase, all of which characterize hyperparathyroidism.", 'role': 'assistant'}]