This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
The epitheliod cell and multinucleated giant cells of granulomatous inflammation are derived from 
Select and explain. 
A. Basophils, B. Eosinophil, C. CD4T lymphocytes, D. Monocytes marcophages
D: Monocytes marcophages
Answer: D: Monocytes marcophages 
Explanation: Ref Robbins 9/e p97 Delayed type of hypersensitivity results from accumulation of mononucleated cells around small veins and venules producing a perivascular cuffing .mono cytes transform into macrophages which undergo morphological changes to produce epitheliod cell