KROK 1 2011 – Question 25 · KROK (Medicine) · Microbiology, Virology, and Immunology
A man died from an acute infectious disease accompanied by fever, jaundice, haemorrhagic rash on the skin and mucous membranes as well as by acute renal insufficiency. Histological examination of renal tissue (stained by Romanovsky-Giemsa method) revealed some convoluted bacteria looking like C and S letters. What bacteria were revealed?
- A. Campylobacteria
- B. Spirilla
- C. Treponema
- D. Leptospira
- E. Borrelia
Hint
Combine the clinical triad of jaundice, bleeding and renal failure with the letter-like shape seen on the stain to decide which genus of coiled bacteria is involved.
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.
More questions on Microbiology, Virology, and Immunology
- Microscopic examination of a gram-stained scrape from a patient’s tongue revealed oval, round, elongated chains of dark-violet gemmating cells. What…
- In order to determine toxigenicity of diphtheria bacilli a strip of filter paper impregnated with antitoxic diphtherial serum was put on the dense…
- A 10-year-old child had the mantoux tuberculin test administered. 48 hours later a papule up to 8 mm in diameter appeared on the site of the…
- A culture of monkey cells (Vero) and a group of mouse sucklings were infected with an inoculum taken from a child with provisional diagnosis…
- A male patient has been diagnosed with gastric ulcer. Bacteriological examination of biopsy material from the affected part of stomach revealed…
- After an immunoassay a child was diagnosed with immunodeficiency of humoral immunity. What is the reason for the primary immunodeficiency…