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
Dystrophic calcification occur in all except -( 
Select and explain. 
A. Rheumatic hea disease, B. Lymph node, C. Normal kidney, D. Aneurysm
C: Normal kidney
Answer: C: Normal kidney 
Explanation: Ans. is 'c' i.e., Normal kidney