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: Pharmacology
Water brash indicates one of the following(NOT RELATED-SURGERY) 
Select and explain. 
A. Dyspepsia, B. Indigestion, C. Peptic ulcer, D. Duodenal ulcer
C: Peptic ulcer
Answer: C: Peptic ulcer 
Explanation: .