This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
Cause of death in amyloidosis involving kidney 
Select and explain. 
A. Cardiac failure, B. Renal failure, C. Sepsis, D. Liver failure
B: Renal failure
Answer: B: Renal failure 
Explanation: Ref Robbins 8/e p254,9/e p261 Amyloidosis of the kidney is the most common and potentially the most serious form of organ involvement