<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 51-year-old man seeks evaluation from his family physician with a complaint of heartburn, which has been gradually increasing over the last 10 years. The heartburn gets worse after eating spicy foods and improves with antacids. The past medical history is benign. He is a security guard and works long hours at night. He admits to smoking 1.5 packs of cigarettes every day. Upper gastrointestinal endoscopy reveals several gastric ulcers and regions of inflammation. A biopsy is obtained, which revealed gram-negative bacteria colonized on the surface of the regenerative epithelium of the stomach, as shown in the micrograph below. Which of the following bacterial products is responsible for neutralizing the acidity of the stomach?? A: β-lactamase, B: Hyaluronidase, C: Urease, D: Streptokinase, E: Prostaglandins,  <response>: This is a clinical vignette describing a 51-year-old man with a history of heartburn and gastric ulcers on endoscopy. The biopsy shows gram-negative bacteria colonizing the stomach epithelium. The question asks which bacterial product is responsible for neutralizing the acidity of the stomach.The choices given are different enzymes or compounds produced by bacteria. Based on the clinical history and findings, the bacteria are likely Helicobacter pylori, which secretes the enzyme urease. Urease breaks down urea into ammonia, which neutralizes gastric acid. Therefore, the correct answer is C.C: Urease 