This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hypersensitivity Reactions: Immune-Mediated Injury, Subject name: Pathology
MAST cells play a central role in the development of which type of hypersensitivity reaction? 
Select and explain. 
A. Immediate, B. Antibody mediated, C. Cell mediated, D. Immune complex mediate
A: Immediate
Answer: A: Immediate 
Explanation: Ans. is 'a' i.e., Immediate