This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General pathology, Subject name: Pathology
Which is not seen in Aschoff bodies - 
Select and explain. 
A. Giant cell, B. Aschoff cells, C. Fibroblasts, D. Polymorphonuclear cells
D: Polymorphonuclear cells
Answer: D: Polymorphonuclear cells 
Explanation: Aschoff bodies pathognomonic for rheumatic fever foci of swollen eosinophilic collagen surrounded by collections of lymphocytes (primarily T cells) plasma cells, and plump activated macrophages called Anitschkow cells Aschoff giant cells occasionally punctuating zones of fibrinoid necrosis ref robbins 9th ed page 391