This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Microbiology
The drug of choice for an acute exacerbation of ulcerative colitis is 
Select and explain. 
A. Sulfasalazine, B. Methotrexate, C. Infliximab, D. Coicosteroids
D: Coicosteroids
Answer: D: Coicosteroids 
Explanation: DOC for acute exacerbation of IBD - SteroidsDOC for maintenance treatment of IBD - Sulfasalazine