This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteria, Subject name: Microbiology
[{'content': 'Non-invasive test for H. Pylori: \nSelect and explain. \nA. Rapid urease test, B. Biopsy, C. Stomach aspirate culture, D. Urea breath test', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. D. Urea breath testTests for detection of H. Pyloria) Invasive:Histopathology,Rapid urease test (Done on gastric biopsy),Cultureb) Non-lnvasive:Urea breath test,Serology, stool antigen test (Coproantigen assay),PCR', 'role': 'assistant'}]