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Exam questionKROK 1Medicine ยท 2015

A man is suffering from diarrhea. In summer he spent his vacation in the south at the sea coast. Bacteria with the following properties were detected in his feces: gram-negative curved mobile monotrichous bacilli that do not produce spores or capsules. They are undemanding to nutrient medium but require alkaline reaction (pH 8,5-09,5). Described are the agents of the following enteric infection:

Answer options

  1. Shigellosis
  2. Typhoid fever
  3. Cholera
  4. Colienteritis
  5. Pseudotuberculosis
Correct answer

Cholera

Explanation

A man is suffering from diarrhea. In summer he spent his vacation in the south at the sea coast. Bacteria with the following properties were detected in his feces: gramnegative curved mobile monotrichous bacilli that do not produce spores or capsules. They are undemanding to nutrient medium but require alkaline reaction (pH 8,5-09,5). Described are the agents of the following enteric infection:V. cholera is Gram-negative and comma-shaped. Initial isolates are slightly curved. The bacterium has a flagellum at one cell pole as well as pili.it causes Symptoms that include abrupt onset of watery diarrhea (a grey and cloudy liquid), occasional vomiting, and abdominal cramps Vibrio cholera, the pathogenic agent of cholera, grows best at the slightly basic pH of 8.0; it can survive pH values of 11.0 but is inactivated by the acid of the stomach.

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