This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Medicine
Raised serum alkaline phosphatase is seen in all, EXCEPT- 
Select and explain. 
A. Paget's disease, B. Multiple myeloma, C. Osteomalacia, D. Hypehyroidism
B: Multiple myeloma
Answer: B: Multiple myeloma 
Explanation: in multiple myeloma there is no increase in alkaline phosphatase. Increase is seen in hypehyroidism, osteomalacia ,hyper parathyroid is( Harrison 17 pg 2370)