Enterobacteriaceae
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Questions and Answers

Which of the following is the most common cause of urinary tract infections (UTIs) in young sexually active females?

  • Enterobacter
  • Klebsiella
  • Escherichia coli (correct)
  • Proteus mirabilis

Which group of bacteria are the most common causes of UTIs?

  • Gram positive rods
  • Gram negative rods (correct)
  • Gram negative cocci
  • Gram positive cocci

In the hospital setting, which group of bacteria are commonly involved in nosocomial infections?

  • Pseudomonas aeruginosa
  • Streptococcus pneumoniae
  • Enterobacteriaceae (correct)
  • Staphylococcus aureus

Which infection is often associated with mechanical ventilator use in hospitals?

<p>Pneumonia (C)</p> Signup and view all the answers

Which bacterial group may cause infection of the bowel resulting in different diarrheal syndromes?

<p>Enterobacteriaceae (C)</p> Signup and view all the answers

Which strain of Escherichia coli is the commonest cause of 'travelers' diarrhea'?

<p>ETEC (D)</p> Signup and view all the answers

Which bacterial species can mimic appendicitis by infecting the lymph nodes within the mesentery?

<p>Yersinia enterocolitica (C)</p> Signup and view all the answers

Which bacterial serotypes may invade the bowel wall to produce a serious systemic disease called typhoid fever?

<p>Salmonella Typhi (C)</p> Signup and view all the answers

Which of the following is NOT a property shared by members of the Enterobacteriaceae group?

<p>They are positive in the oxidase test (D)</p> Signup and view all the answers

Which of the following is a useful laboratory test to distinguish Enterobacteriaceae bacteria from other Gram negative rods?

<p>Oxidase test (D)</p> Signup and view all the answers

Which of the following diseases is NOT associated with Enterobacteriaceae?

<p>Meningitis (B)</p> Signup and view all the answers

Flashcards

Escherichia coli (E. coli)

A type of bacteria commonly found in the gut, often causing UTIs in young women.

Gram-negative rods

A major bacterial group implicated in UTIs.

Enterobacteriaceae

A family of bacteria known for causing infections within healthcare settings.

Ventilator-associated pneumonia

A serious lung infection often associated with mechanical ventilation.

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Enterobacteriaceae (diarrheal syndromes)

A group of bacteria responsible for various diarrheal syndromes.

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Enterotoxigenic Escherichia coli (ETEC)

A specific strain of E. coli commonly causing diarrhea among travelers.

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Yersinia enterocolitica

A bacteria capable of mimicking appendicitis by infecting the lymph nodes around the intestines.

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Salmonella Typhi serotypes

Specific types of Salmonella bacteria responsible for the systemic disease typhoid fever.

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Oxidase test

A test commonly used to identify Enterobacteriaceae bacteria based on their inability to produce an enzyme.

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Meningitis

A condition involving the membranes surrounding the brain and spinal cord, NOT usually caused by Enterobacteriaceae.

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Enterobacteriaceae

A group of bacteria that are gram-negative and oxidase-negative, having a specific biochemical characteristic.

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