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: Anaesthesia
Both hepatic and renal failures can be caused by which of the following: 
Select and explain. 
A. Paracetamol toxicity, B. Carbon tetrachloride, C. Arsenic, D. Copper sulphate
D: Copper sulphate
Answer: D: Copper sulphate 
Explanation: (PCM, CCl4, AgNO3 - liver failure. As - kidney failure. CuSO4- both hepatic & Renal failure.)