This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metabolic disorders - 1, Subject name: Orthopaedics
[{'content': 'Which bisphosphonate is approved for the treatment of osteoporosis and is given on yearly basis? \nSelect and explain. \nA. Alendronate, B. Zoledronate, C. Risedronate, D. Ibandronate', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Zoledronate- approved for the treatment of osteoporosis and is given on yearly basis Ibandronate- given on monthly basis', 'role': 'assistant'}]