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: Physiology
True about Renshaw cell inhibition is 
Select and explain. 
A. Add on collateral sensation, B. Increases by local anaesthetics, C. Has memory for spinal cord, D. Inhibition of feed back propogation
D: Inhibition of feed back propogation
Answer: D: Inhibition of feed back propogation 
Explanation: Negative feedback inhibition