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: Pathology
Chalcosis is deposition of: September 2010, March 2013 
Select and explain. 
A. Iron, B. Calcium, C. Copper, D. Lead
C: Copper
Answer: C: Copper 
Explanation: Ans. C: Copper A deposit of fine paicles of copper in the lungs or other tissues is known as chalcosis.