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: Microbiology
RA antibody causes which type of hypersensitivity? 
Select and explain. 
A. Type 1, B. Type 2, C. Type 3, D. India ink
C: Type 3
Answer: C: Type 3 
Explanation: Ans. is 'c' i.e., Type 3Rheumatoid ahritis (caused by RA antibody) is type - 3 hypersensitivity.