KROK 1 2011 – Question 129 · KROK (Medicine) · Microbiology, Virology, and Immunology
A male patient has been diagnosed with gastric ulcer. Bacteriological examination of biopsy material from the affected part of stomach revealed small colonies of gram-negative, oxide reductase-positive flexibacteria that grew on the chocolate agar on the fifth day. Which of the following microorganisms is the most likely causative agent?
- A. Mycoplasma hominis
- B. Campylobacter fetus
- C. Campylobacter jejuni
- D. Chlamydia trachomatis
- E. Helicobacter pylori
Hint
Combine the location of the lesion with the slow growth on enriched medium, and recall which curved gram-negative rods can colonise this site.
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