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
Psammoma bodies shows which type of calcification - 
Select and explain. 
A. Metastatic, B. Dystrophic, C. Secondary, D. Any of the above
B: Dystrophic
Answer: B: Dystrophic 
Explanation: Ans. is 'b' i.e., Dystrophic