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
Calcification of the aoic valve is seen in - 
Select and explain. 
A. Aoic stenosis, B. Aoic regurgitation, C. Marfan's syndrome, D. Hurler's syndrome
A: Aoic stenosis
Answer: A: Aoic stenosis 
Explanation: Ans. is 'a' i.e., Aoic Stenosits The most frequent calcific valvular diseases are ? Calcific aoic stenosis Calcification of a congenitally bicuspid aoic valve. Mitral annular calcification