This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Liver, Subject name: Medicine
In Wilson disease, chelation is done by: 
Select and explain. 
A. Iron, B. Zinc, C. Copper, D. Selenium
B: Zinc
Answer: B: Zinc 
Explanation: 2Ans. (b) ZincRef: Harrison 18th edition, Chapter 360:Disease statusFirst choiceInitial hepatic Hepatitis or cirrhosis without decompositionZincaHepatic decompensation MildTrientineb and zincModerateTrientine and zincSevereHepatic transplantationInitial neurologic /psychiatricTetrathiomolybdatec and zincMaintenanceZinc