This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S, Subject name: Pediatrics
The commonest valvular manifestation of acute as well as previous rheumatic carditis is 
Select and explain. 
A. Mitral stenosis, B. Mitral regurgitation, C. Aoic stenosis, D. Aoic regurgitation
B: Mitral regurgitation
Answer: B: Mitral regurgitation 
Explanation: Mitral regurgitation (MR) is the commonest manifestation of acute as well as previous rheumatic carditis. Reference: Essential Paediatrics; O.P. Ghai; Page no: 438