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': "Alkaline phosphatase level on serum is not increased in - \nSelect and explain. \nA. Paget's disease, B. Multiple myeloma, C. Hyperparathyroidism, D. Osteomalacia", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Important Causes of raised alkaline phosphatase.\n\nBone diseases - Paget disease, Osteomalacia, rickets, hyperparathyroidism, fresh fracture, Vit D deficiency. Metastatic bone tumors.\nObstructive biliary tract disease - Primary biliary Cirrhosis, biliary stone, Primary sclerosing cholangitis.\nHepatic causes - Infiltrative granulomatous hepatitis, sarcoidosis, amyloidosis, malignancy, viral hepatitis.\nDrugs - Estrogen, Chlorpromazine, erythromycin.\nPlacental - Pregnancy, post menopausal, tumors.', 'role': 'assistant'}]