This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immunomodulators, Subject name: Pharmacology
Denosumab, a monoclonal antibody against RANK ligand is used for the treatment of: 
Select and explain. 
A. Rheumatoid ahritis, B. Osteroporosis, C. Osteoahritis, D. Systemic lupus erythematosis
B: Osteroporosis
Answer: B: Osteroporosis 
Explanation: Newer drugs for the treatment of Osteoporosis: 1.Denosumab: it is a human monoclonal antibody which inhibits osteoclast differentiation and function as well as promotes their apoptosis.it is the best treatment option for postmenopausal osteoporosis. 2.Strontium ranelate: It suppresses bone resorption and stimulates bone formation in women at postmenopausal age. ESSENTIALS OF MEDICAL PHARMACOLOGY SEVENTH EDITION-K D TRIPATHI, page: 346