This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Disorders of Parathyroid Gland, Subject name: Medicine
[{'content': 'Low serum alkaline phosphatase is seen with \nSelect and explain. \nA. Hypoparathyroidism, B. Hypophosphatasia, C. Hyperparathyroidism, D. Pseudo-hypoparathyroidism', 'role': 'user'}, {'content': "Answer: B \nExplanation: SAP| - Hypophosphatasia SAP| - Rickets, increase PTH SAP|||- Paget's SAP Normal - Hypoparathyroidism,Pseudo hypoparathyroidism,Multiple myeloma,Osteoporosis", 'role': 'assistant'}]