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
Toll like receptors are seen on? 
Select and explain. 
A. Macrophages, B. Natural killer cells, C. Endothelial cells, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: Answer-D. All of the aboveThe Toll-like receptors are rnembrane proteins that recognize avariety of microbe-derived molecules and stimulate innate immune responses against the microbes.The Toll-like receptors are expressed on many different cell types that paicipate in innate immune responses including ,macrophages, dendritic cells, neutrophils, NKs cells, mucosal epithelial cells and endothelial cells.