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: Pharmacology
Infliximab ? 
Select and explain. 
A. CD 20 antagonist, B. IL6 antagonist, C. Chimeric antibody against TNF alpha, D. Chimeric antibody against Her2-neu
C: Chimeric antibody against TNF alpha
Answer: C: Chimeric antibody against TNF alpha 
Explanation: Ans. is 'c' i.e., Chimeric antibody against TNF alpha