MEDICINE

Q: RANKL is produced by all except?

(a) :  Osteocytes
(b) :  Osteoclasts
(c) :  Activated T cells
(d) :  Bone marrow stromal cells
(e) :  None of the above
Answer:  Osteoclasts
Explanation:  

Q: Which of the following increases bone resorption?

(a) :  Osteoprotegerin (OPG)
(b) :  Oestrogen / testosterone
(c) :  Mechanical loading
(d) :  Interleukin 1
(e) :  None of the above
Answer:  Interleukin 1
Explanation:  

Q: Most abundant protein of bone is?

(a) :  Laminin
(b) :  Osteocalcin
(c) :  Type 1 collagen
(d) :  Type 2 collagen
(e) :  None of the above
Answer:  Type 1 collagen
Explanation:  

Q: Which of the following decreases bone resorption?

(a) :  Receptor activator of nuclear factor kappa B ligand (RANKL)
(b) :  Interleukin 1
(c) :  Osteoprotegerin
(d) :  Tumour necrosis factor
(e) :  None of the above
Answer:  Osteoprotegerin
Explanation:  

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