Q. With respect to calcium metabolism / bone formation: (Solved)
1. osteoclasts secrete alkaline phosphatase
2. osteoblasts are haemopoietic derivatives of monocyte lineage
3. 1,25(OH)2 ???D3 and PTH stimulate both osteoblasts and osteoclasts
4. oestrogens are thought to be protective of osteoporosis as their main effect is osteoblasts stimulation
- c. 1,25(OH)2 ???D3 and PTH stimulate both osteoblasts and osteoclasts