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
Mantoux test is based on which hypersensitivity- 
Select and explain. 
A. Typel, B. Type 2, C. Type 3, D. Type 4
D: Type 4
Answer: D: Type 4 
Explanation: Ans. is 'd' i.e.. Type 4 Following are the examples of type 4 hypersensitivity reactionsType 1 diabetes mellitusHashimoto thyroiditisCrohn's diseaseMultiple sclerosisContact dermatitisMantoux test