This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: NEET Jan 2020, Subject name: Pharmacology
Drug of choice for post menopausal osteoporosis is 
Select and explain. 
A. Estrogen, B. Bisphosphonates, C. Teriparatide, D. Thyroxine
B: Bisphosphonates
Answer: B: Bisphosphonates 
Explanation: Drug used in osteoporosis Inhibit resorption:Bisphosphonates (drug of choice), Denosumab, calcitonin, estrogen, SERMS, gallium nitrate. Stimulate formation: Teriparatide (PTH analogue), calcium, calcitriol, fluorides. Both actions: Strontium ranelate.