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
In agranuloma , epthiloid cells and giant cells are derived from 
Select and explain. 
A. T lymphocytes, B. Monocytes marcophages, C. B lymphocytes, D. Mast cells
B: Monocytes marcophages
Answer: B: Monocytes marcophages 
Explanation: ref Robbins 9/e p97 All granulomas, regardless of cause, may contain additional cells and matrix. These include lymphocytes, neutrophils, eosinophils, multinucleated giant cells, fibroblasts and collagen (fibrosis). The additional cells are sometimes a clue to the cause of thegranuloma. Macrophage and monocytes are also present