Pathology The most characteristic and frequent feature of chronic rheumatic hea disease is the development of A Vegetations on the endocardium B Aschoff bodies within the myocardium C Incompetence of the pulmonic valve D Stenosis of the mitral valve 💡 Explanation The most characteristic and frequent feature of chronic rheumatic hea disease is the development of ✓ Correct Answer: D. Stenosis of the mitral valve