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
Following is an example of Type 4 hypersensitivity? 
Select and explain. 
A. Glomerulonephrirtis, B. Serum sickness, C. Myasthenia gravis, D. Contact dermatitis
D: Contact dermatitis
Answer: D: Contact dermatitis 
Explanation: Ans. is 'd' i.e., Contact dermatitis Tvpe IV (Cell mediated! hvpersesivitvo Tuberculin testo Lepromin testo Sarcoidosiso Tuberculosiso Contact dermatitiso Granulomatous inflammationo Type I lepra reactiono Patch testo Temporal arteritiso Jones mote reaction (cutaneous basophilic HSN)o Graft rejectiono Fairleys testo Frie's test