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: Biochemistry
[{'content': 'Urea breath test is done in: \nSelect and explain. \nA. Ketoacidosis, B. H. pylori infection, C. Kidney disease, D. Liver disease', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The urea breath test is a rapid diagnostic procedure used to identify infections by Helicobacter pylori, a spiral bacterium implicated in gastritis, gastric ulcer, and peptic ulcer disease.\xa0\nIt is based upon the ability of H. pylori to convert urea to ammonia and carbon dioxide.', 'role': 'assistant'}]