This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immunology, Subject name: Microbiology
Graves disease is an example of which type of Immunologic response? 
Select and explain. 
A. Type I, B. Type II, C. Type III, D. Type IV
B: Type II
Answer: B: Type II 
Explanation: Graves disease is a type II hypersensitivity reaction. This type of hypersensitivity reaction is initiated by IgG antibodies that react either with the cell surface or tissue antigen. Most patients possess antibodies to thyroglobulin. The immunological basis is suppoed by idethe notification of the long-acting thyroid stimulator which is an IgG antibody to thyroid membrane antigen. Reference : Anathanarayan & paniker's 9th edition, pg no: 180,162 <\p>