KROK 1 2013 – Question 109 · KROK (Medicine) · Microbiology, Virology, and Immunology
A patient has severe catarrhal symptoms. Material growth on Bordet-Gengou agar showed mercury-droplike colonies. Examination of the blood smears revealed some small ovoid gram-positive bacilli sized 1-3 microns. What microorganisms were isolated?
- A. Meningococcus
- B. Corynebacteria
- C. Bordetella
- D. Mycobacteria
- E. Brucella
Hint
Think about which respiratory pathogen is fastidious enough to need a specially enriched medium, and how the colony appearance fits the severe catarrhal picture.
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