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: Pharmacology
[{'content': 'Bisphosphonate-induced osteomalacia is common with \nSelect and explain. \nA. Alendronate, B. Pamidronate, C. Zolendronate, D. Etidronate', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Etidronate is 1st gen bisphosphonate The first generation bisphosphonates, such as etidronate (ETD), a non-nitrogen containing bisphosphonate, displays considerable anti-mineralization activity but is a relatively low-potency inhibitor of osteoclasts. Bisphosphonate-related osteonecrosis of the jaw (BRONJ) is a condition found in patients who have received intravenous and oral forms of bisphosphonate therapy for various bone-related conditions. it manifests as exposed, nonvital bone involving the maxillofacial structures. it is caused by to dentoalveolar structures that have a limited capacity for bone healing due to the effects of bisphosphonate therapy. REF KD tripathi 8th ed', 'role': 'assistant'}]