This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Lymphoid tissue & Integumentary system, Subject name: Anatomy
Which of the following cell types is thought to function in suppressing the immune response? 
Select and explain. 
A. Inducible T reg cells, B. B cells, C. T memory cells, D. TH cells
A: Inducible T reg cells
Answer: A: Inducible T reg cells 
Explanation: The immune response is decreased by inducible T reg cells. They suppress the formation of TH1 cells, thereby suppressing the immune response.