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
A 10 year old boy , died of acute rheumatic fever. On autopsy, all the following findings can be expected, EXCEPT: 
Select and explain. 
A. Aschoff nodules, B. Mccallum patch, C. Fibrinous pericarditis, D. Rupture of chordae tendineae
D: Rupture of chordae tendineae
Answer: D: Rupture of chordae tendineae 
Explanation: Key pathological features of Acute RF are:Aschoff bodies: It consists of foci of lymphocytes (Primary T cells), occasional plasma cells and plump activated macrophages called Anitschkow cells.Mac Callum plaques: Are irregular subendocardial thickenings exacerbated by the regurgitant jets of blood.Pancarditis resulting from diffuse inflammation and aschoff bodies involving any of the three layers of the hea. Ref: Robbins Pathologic Basis of Disease, 6th Edition, Page 570