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: Gynaecology & Obstetrics
Oestrogen acts as what on bone 
Select and explain. 
A. Bone matrix deposition, B. Antiresorptive agent on trabecular bone, C. Anti osteoblastic on compact bone, D. Resorptive agent on compact bone
B: Antiresorptive agent on trabecular bone
Answer: B: Antiresorptive agent on trabecular bone 
Explanation: Oestrogen is anti resorptive agent on trabecular bone.