This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.N.S., Subject name: Medicine
The most common neurological disorder seen in chronic renal failure patients is: 
Select and explain. 
A. Dementia, B. Polyneuropathy, C. Restless leg syndrome, D. Encephalopathy
B: Polyneuropathy
Answer: B: Polyneuropathy 
Explanation: Ans. B. PolyneuropathyPolyneuropathy is the most common neurological disorder seen in about 60% of patients with CKD.It is characterized by* Length-dependent numbness* Tingling* Allodynia* Mild distal weaknessThe sensorimotor polyneuropathy can be stabilized by hemodialysis and improved with successful renal transplantation.