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: D i.e. Inhibition of feed back propogation