KROK 1 2020 – Question 124 · KROK (Medicine) · Microbiology, Virology, and Immunology

Microscopy of the sputum of a patient with lobar pneumonia revealed a large number of gram-positive lancet-shaped encapsulated diplococci. What causative agent is it?

  1. A. Streptococcus pneumoniae
  2. B. Chlamydia pneumoniae
  3. C. Staphylococcus aureus
  4. D. Escherichia coli
  5. E. Klebsiella pneumoniae
Hint

Match the Gram reaction, cell shape, arrangement and the capsule seen in the sputum smear with the usual bacterial cause of lobar consolidation of the lung.

The answer, the explanation and a note on every option are available once you log in. The account is free: topic tests, a mock exam, mistake review and statistics.

Create a free account Log in

More questions on Microbiology, Virology, and Immunology