This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General pathology, Subject name: Pathology
Example of Type IV Hypersensitivity is/are 
Select and explain. 
A. Farmer's lung, B. Contact hypersensitivity, C. Immediate hypersensitivity, D. Myasthenia gravis
B: Contact hypersensitivity
Answer: B: Contact hypersensitivity 
Explanation: Clinical examples of Type IV HS TB Sarcoidosis Temporal aeritis Contact dermatitis Lepromin test and PPD Patch test/contact HS Type I DM