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: Unknown
Alendronate acts by 
Select and explain. 
A. Inhibit osteoclast, B. Inhibit osteoblast, C. Inhibit both, D. None of these
A: Inhibit osteoclast
Answer: A: Inhibit osteoclast 
Explanation: (Refer: K. D. Tripathi's Essentials of Medical Pharmacology, 6th edition, pg no:334)
Inhibit osteoclast