This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Haematology, Subject name: Pathology
Pappenheimer bodies are composed of? 
Select and explain. 
A. Copper, B. Zinc, C. Iron, D. Lead
C: Iron
Answer: C: Iron 
Explanation: Pappenheimer bodies are seen in siderocytes.Siderocytes are red cells containing granules of non haem iron. Reference: textbook of Pathology ,7th edition ,author Harsha Mohan,page number 277