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: Medicine
Punctuate yellow exudates in colon, found on endoscopic examiantion are indicative of 
Select and explain. 
A. Balantidium coli, B. Ulceratice colitis, C. Antibiotic colitis, D. Gluten induced enteropathy
C: Antibiotic colitis
Answer: C: Antibiotic colitis 
Explanation: None