<prompt> Which of the following have most friable vegetation?Infective endocarditisLibman Sacks endocarditisRheumatic hea diseaseSLE  <response>: The vegetations seen in Infective endocarditis begin as small excrescences, mostly solitary which later enlarge and form bulky friable lesions posing greatest risk of systemic emboli.The vegetations seen in SLE Libman Sacks endocarditis and Rheumatic Hea disease are verrucous. Ref: Robbins Basic Pathology, 7th Edition, Pages 380, 381, 134, 376. 