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
Allergic BPA which kind of hypersensitivity reaction ? 
Select and explain. 
A. Type I, B. Type II, C. Type III, D. Type IV
A: Type I
Answer: A: Type I 
Explanation: Ans, is 'a' i.e., Type IIn Immediate hypersensitivity (type I hypersensitivity), the injury is caused by TH2 cells, IgE antibodies, and mast cells and other leukocytes.