KROK 1 2007 – Question 184 · KROK (Medicine) · Microbiology, Virology, and Immunology

Urine examination of a patient with acute cystitis revealed leukocytes and a lot of gram-negative bacilli. Inoculation resulted in growth of colonies of mucous nature that formed green soluble pigment. What microorganism is the most probable cause of the disease?

  1. A. Escherichia coli
  2. B. Pseudomonas aeruginosa
  3. C. Salmonella enteritidis
  4. D. Klebsiella pneumoniae
  5. E. Proteus mirabilis
Hint

Colony slime and a diffusible pigment are the clues; recall which opportunistic Gram-negative rod of urinary and wound infections is known for a blue-green pigment.

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