25-year-old male comes to the hospital with the chief complaint of stomach ache after eating food for 20 days. He tried over-the-counter antacids which did not help much. The endoscopy image showed a lesion in the lower esophageal sphincter. The urea breath test came back positive. What is the characteristic of the causative organism?
a) Flagellated gram-positive rod
b) Curved flagellated gram-negative rod
c) Catalase negative gram-positive rod
d) Urease negative gram-positive rod
How to read the question and highlight the point:
- What is the chief complaint?
stomach ache after eating food for 20 days
- What is the diagnostic result?
lesion in the lower esophageal sphincter, urea breath test came positive
- Diagnosis?
Peptic ulcer
- Question to be answered?
H. pylori: curved, flagellated gram-negative rod
(Question wants you to integrate pathology and microbiology