This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Kidney, Subject name: Medicine
Restless leg syndrome (RLS) is seen in: 
Select and explain. 
A. Hypercalcemia, B. Hyperphosphatemia, C. Chronic renal failure, D. Hyperkalemia
C: Chronic renal failure
Answer: C: Chronic renal failure 
Explanation: Ans. C. Chronic renal failureNeuromuscular features of CRF:a. Encephalopathyb. Restless leg syndromec. Peripheral neuropathyd. Impotencye. Dialysis dementiaCNS features in CRF are due toa. Increase BUNb. Increase Creatininec. Decrease Nad. Acidosise. Hyperosmolarityf. Middle molecules