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: Pharmacology
Cinacalcet acts by 
Select and explain. 
A. Inhibiting RANK - ligand, B. Activating osteoblasts, C. decreasing parathormone secretion, D. Increasing vitamin D
C: decreasing parathormone secretion
Answer: C: decreasing parathormone secretion 
Explanation: Cinacalect is a calcimimetic drug. It resembles calcium and activates calcium sensing receptor(CaSR) present on parathyriod gland and decreases parathormone secretion.