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
acute and chronic renal failure can be differentiated by? 
Select and explain. 
A. anemia in CRF, B. hyperphosphatemia in CRF, C. peripheral neuropathy in CRF, D. d)
C: peripheral neuropathy in CRF
Answer: C: peripheral neuropathy in CRF 
Explanation: Ans c (peripheral neuropathy in CRF) ref: Harrison 17th ed 1755Findings that suggest chronic kidney disease include anemia, evidence of renal osteodystrophy (radiologic or laboratory), and small scarred kidneys, anemia may also complicate ARF ARF with hyperphosphatemia:rhabdomyolysisUrate nephropathytumor lysis syndromeNormal renal size with chronic renal disease-diabetic nephropathy, amy-loidosis, polycystic kidney disease, HIV associated nephropathy. Periph-eral neuropathy is unlikely in ARF.