Microbiology A 55-year-old female patient presents with duodenal ulcer. The most sensitive test to detect Helicobacter pylori is A Urea breath test B culture C Histology D Serology 💡 Explanation A 55-year-old female patient presents with duodenal ulcer. The most sensitive test to detect Helicobacter pylori is ✓ Correct Answer: A. Urea breath test