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
[{'content': 'Mantoux test is based on which hypersensitivity? \nSelect and explain. \nA. Type 1, B. Type 2, C. Type 3, D. Type 4', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Type 4 Following are the examples of type 4 hypersensitivity reactions :- Type 1 diabetes mellitus Hashimoto thyroiditis Crohn's disease Multiple sclerosis Contact dermatitis Mantoux test", 'role': 'assistant'}]