Helicobacter Pylori Detection and Shigella Infection
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Questions and Answers

Which type of toxin produced by Enterotoxigenic E.coli (ETEC) increases cAMP levels?

  • Heat-stable toxin (ST)
  • Shiga-like toxins
  • Heat-labile toxin (LT) (correct)
  • No toxins
  • What is the common cause of diarrhea in infants caused by Enteropathogenic E.coli (EPEC)?

  • Heat-labile toxin (LT)
  • Heat-stable toxin (ST)
  • Shiga-like toxins
  • No toxins (correct)
  • Which condition can be caused by Klebsiella pneumoniae in compromised individuals?

  • Necrotizing lobar pneumonia (correct)
  • Hemolytic uremic syndrome
  • Heat-stable toxin (ST)
  • Granuloma inguinale
  • Which species of Klebsiella is particularly associated with UTIs in compromised individuals?

    <p>Klebsiella pneumoniae</p> Signup and view all the answers

    Which type of E.coli causes a syndrome characterized by fever and hemolytic uremic anemia in children?

    <p>Enterohemorrhagic E.coli (EHEC)</p> Signup and view all the answers

    Which organism is responsible for the STD granuloma inguinale, also known as Donovanosis?

    <p>Klebsiella granulomatis</p> Signup and view all the answers

    What is the main toxin produced by Enterotoxigenic E.coli (ETEC) that increases cGMP levels?

    <p>Heat-stable toxin (ST)</p> Signup and view all the answers

    What condition does Enteroinvasive E.coli (EIEC) cause?

    <p>Bloody diarrhea/Dysentery</p> Signup and view all the answers

    What is the specific condition caused by Enterohemorrhagic E.coli (EHEC) in children characterized by acute renal failure and hemolytic anemia?

    <p>Hemolytic uremic syndrome (HUS)</p> Signup and view all the answers

    Which of the following is the most appropriate prophylactic antibiotic treatment for family members of a patient with Neisseria meningitidis infection?

    <p>Oral rifampin</p> Signup and view all the answers

    What is the primary difference between Neisseria gonorrhoeae and Neisseria meningitidis under the microscope?

    <p>There is no microscopic difference between the two species</p> Signup and view all the answers

    Which of the following conditions can be caused by Neisseria species?

    <p>All of the above</p> Signup and view all the answers

    Which of the following samples is most appropriate for culturing Neisseria meningitidis?

    <p>Nasopharyngeal swab</p> Signup and view all the answers

    Which of the following is the recommended treatment for uncomplicated gonococcal infections?

    <p>IM ceftriaxone</p> Signup and view all the answers

    Which of the following is the primary difference in the outer membrane composition between Neisseria meningitidis and Haemophilus influenzae?

    <p>Neisseria meningitidis has a higher proportion of lipopolysaccharides in its outer membrane, while Haemophilus influenzae has a higher proportion of phospholipids</p> Signup and view all the answers

    Which of the following is the most significant risk factor for developing invasive Neisseria meningitidis infection?

    <p>Immunocompromised status</p> Signup and view all the answers

    Which of the following is the most appropriate sample for diagnosing Neisseria gonorrhoeae infection in a male patient?

    <p>Urethral exudate</p> Signup and view all the answers

    What is the primary purpose of the MCV4 vaccine?

    <p>To protect against Neisseria meningitidis serogroups A, C, W-135, and Y</p> Signup and view all the answers

    Which of the following is the most common clinical presentation of disseminated gonococcal infection caused by Neisseria gonorrhoeae?

    <p>Fever and arthritis</p> Signup and view all the answers

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