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: Dental
All of the following play a significant role in bone resorption except: 
Select and explain. 
A. Parathyroid hormone., B. Interleukin1., C. Interleukin6., D. Interferon-gamma.
D: Interferon-gamma.
Answer: D: Interferon-gamma. 
Explanation: Pro-resorptive factors are hormones and cytokines are:-

PTH (Parathyroid hormone)
1,25dihydroxyvitamin D3,
IL-1
IL-6
TNF (Tumour necrosis factor)
LIF (Leukaemia inhibitory factor)
Corticosteroids, which activate osteoblasts and stroma cells to produce RANKL and depress OPG.