Bank of Krok testing to module N1

A Leptospira
B Treponema
C Spirilla
D Borrelia
E Campilobacteria
Campylobacter/Helicobacter

149. During fibrogastroscopy there was taken mucosa biopsy material in the site of the ulcer of a patient with stomach ulcer. In the Gram-stained touch smear there were revealed Gram-negative curved microorganisms. With the rest biopsy material urease test had been made. This test was positive. What bacteria have been revealed?

A. *Campylobacter jejuni.
B. Spirilla minor.
C. Shigella flexneri.
D. Treponema pallidum.
E. Helicobacter pylori.

143. A doctor has suggested a patient to make bacteriological analysis to detect the causative agent of gastric ulcer. What microorganisms can be isolated?

A. Salmonellae.
B. Listeria.
C. Leptospires.
D. *Helicobacter pylori.
E. Shigellae.

122. A 28-year-old patient with moderate intoxication and bloody diarrhea is hospitalized. Stool culture revealed curved Gram-negative bacteria — microaerophils, catalase-positive, urease-positive, without spores and capsules, motile. Which bacteria are characterized by these properties?

A. Proteus mirabilis.
B. Escherichia coli.
C. Haemophilus influenzae.
D.*Helicobacter pylori.
E.Salmonella typhi.

* A man, 45 years old, has been diagnosed with peptic ulcer disease after X-ray examination. Which nutrient medium is biopsy sample inoculated for bacteriological confirmation of diagnosis?

Blood agar
*Nutrient medium for urease revealing
Endo medium
Ploskirev medium
Meat-peptone agar

“2012” b-12 A patient underwent esophagogastroduodenoscopy. Analysis of the biopsy material enabled doctors to diagnose him with helicobacteriosis. What property of the bacteria found in this patient had to be obligatory taken into account during their cultivation?