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: Medicine
Most common neurological disturbance in CKD patients 
Select and explain. 
A. Seizures, B. Dementia, C. Peripheral neuropathy, D. Restless leg Syndrome
B: Dementia
Answer: B: Dementia 
Explanation: M/C - Dementia  and sleep disturbances.
Restless leg Syndrome occurs late.