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
Non-invasive test for H. Pylori: 
Select and explain. 
A. Rapid urease test, B. Biopsy, C. Stomach aspirate culture, D. Urea breath test
D: Urea breath test
Answer: D: Urea breath test 
Explanation: 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