This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiovascular system, Subject name: Anatomy
Most friable vegetations is seen in: 
Select and explain. 
A. Infective endocarditis, B. Libman sacks endocarditis, C. Rheumatic hea disease, D. Rheumatoid hea disease
A: Infective endocarditis
Answer: A: Infective endocarditis 
Explanation: The hallmark of infective endocarditis is the presence of friable,bulky and potentially destructive vegetations containing fibrin,inflammatory cells and bacteria or other organisms on the hea valves. (ref Robbins 9/e560)