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
Long term use of aspirin in rheumatoid arthritis is limited by its propensity to cause : 
Select and explain. 
A. Metabolic acidosis, B. Hypersensitivity reactions, C. Gastric mucosal damage, D. Salicylism
C: Gastric mucosal damage
Answer: C: Gastric mucosal damage 
Explanation: None