Yersinia, Klebsiella and Proteus

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Questions and Answers

Which of the following is NOT a common feature of pathogenic Yersinia species?

  • Tropism for lymphoid tissues
  • Ability to resist phagocytosis
  • Obligate intracellular lifestyle (correct)
  • Capacity to resist nonspecific immune responses

What type of pathogen is Yersinia?

  • Obligate intracellular pathogen
  • Facultative intracellular pathogen (correct)
  • Strict extracellular pathogen
  • Obligate anaerobe

Yersinia pestis primarily affects which animals?

felines, rodents and humans

In humans, Yersinia pestis infection is most commonly associated with which disease?

<p>Bubonic plague (B)</p>
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How can cats become infected with Yersinia pestis?

<p>By ingesting infected rodents (C)</p>
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What is a potential route for humans to contract plague directly from cats?

<p>Through coughing infectious droplets (B)</p>
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What are common clinical signs of Yersinia pestis infection in animals?

<p>Regional lymphadenitis, tonsillitis, fever, and pneumonia (B)</p>
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Which vector is primarily responsible for the transmission of Yersinia pestis?

<p>Fleas (B)</p>
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Which of the following species are generally not susceptible to Yersinia pestis infection?

<p>Cattle, horses, sheep, and pigs (B)</p>
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Yersinia pseudotuberculosis is a major pathogen in which type of animals

<p>Birds (B)</p>
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How is Yersinia pseudotuberculosis primarily transmitted?

<p>Fecal-oral route (B)</p>
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What type of lesions are typically seen with Yersinia pseudotuberculosis infection?

<p>Internal organ necrosis (A)</p>
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In farm animals, Yersinia pseudotuberculosis infection can cause all of the following except:

<p>Chronic respiratory disease (C)</p>
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Which Yersinia species is mainly associated with zoonotic enteritis in humans?

<p>Yersinia enterocolitica (C)</p>
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What is the typical clinical manifestation of Yersinia enterocolitica infection in humans?

<p>Self-limiting diarrhea (C)</p>
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Yersinia ruckeri is mainly responsible for disease in which animals?

<p>Fish (C)</p>
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What disease does Yersinia ruckeri cause in fish?

<p>Enteric redmouth disease (B)</p>
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Klebsiella spp are classified as:

<p>Coliform bacteria (B)</p>
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What is a common lesion caused by Klebsiella spp in cattle?

<p>Coliform mastitis (B)</p>
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In mares, Klebsiella infection can result in all of the following:

<p>Metritis (A), Cervicitis (B)</p>
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Which condition is commonly caused by Klebsiella in foals?

<p>Pneumonia and septicemia (B)</p>
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Klebsiella infections in dogs typically include:

<p>Urinary tract infections (UTI) (D)</p>
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Treatment of Klebsiella infections is difficult mainly because:

<p>They have natural resistance and high acquired resistance (C)</p>
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Proteus spp are known for which of the following behaviors?

<p>Swarming motility (B)</p>
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Proteus spp commonly cause which infections in animals?

<p>Urinary tract infections (UTI) and otitis externa (B)</p>
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Flashcards

Yersinia's lifestyle

Facultative intracellular pathogen.

Yersinia pestis hosts

Felines, rodents, and humans

Yersinia pestis disease

Bubonic plague

Cat infection method

Ingesting infected rodents

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Plague transmission from cats to humans

Coughing infectious droplets

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Yersinia Clinical Signs

Regional lymphadenitis, tonsillitis, fever, and pneumonia

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Yersinia pestis vector

Fleas

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Animals resistant

Cattle, horses, sheep and pigs.

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Y. pseudotuberculosis host

Birds

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Y. pseudotuberculosis transmission

Fecal-oral route

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Y. pseudotuberculosis lesions

Internal organ necrosis

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Y. enterocolitica symptom

Self-limiting diarrhea

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Y. ruckeri host

Fish

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Y. ruckeri disease

Enteric redmouth disease

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Klebsiella class

Coliform bacteria

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Klebsiella lesion

Coliform mastitis

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Klebsiella in Mares

Metritis

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Klebsiella in foals

Pneumonia and septicemia

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Klebsiella infections dogs

Urinary tract infections (UTI)

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Klebsiella resistant

Natural and acquired resistance

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Proteus spp motility

Swarming motility

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Proteus spp infections

Urinary tract infections (UTI) and otitis externa

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