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
Vegetations below the AV valves are present in ? 
Select and explain. 
A. Libman sach's endocarditis, B. Chronic rheumatic carditis, C. Acute rheumatic carditis, D. Non thrombotic endocarditis
A: Libman sach's endocarditis
Answer: A: Libman sach's endocarditis 
Explanation: Ans. is 'a' i.e., Libman sack endocarditis