A 64-year-old woman complains of low back pain for 1 week. Her pain and tenderness is localized over the lumbar spine and exaggerated by movement. Her physician prescribes a phosphonate drug. What is the mechanism of action of this drug for this patient?
- A- Decrease osteoclast activity
- B- Increase osteoblast activity
- C- Decrease parathormone activity
- D- Increase vitamin D absorption
- E- Increase urinary calcium reabsorption
Answer:
This is most likely a case of osteoporosis. Phosphonates improve this condition through decreasing osteoclast activity.
The correct answer is A