E.coli Indicator Organism Quiz
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Questions and Answers

What is the morphology of E. coli?

  • Spherical
  • Spindle-shaped
  • Cuboidal
  • Peritrichously flagellated (correct)

Which antigen structure is used by E. coli?

  • C and D antigens
  • X and Y antigens
  • O, K, and H antigens (correct)
  • A and B antigens

What are the clinical symptoms associated with Enteropathogenic E. coli (EPEC) infection?

  • Fever, diarrhea, nausea, vomiting, non-bloody stools (correct)
  • No fever, bloody diarrhea, vomiting
  • Bloody stools, no vomiting
  • Fever, vomiting, bloody stools, no diarrhea

What is the primary method for diagnosing Helicobacter pylori infection?

<p>Culture and urease detection (C)</p> Signup and view all the answers

What is the key role of urease in Helicobacter pylori?

<p>Neutralizing stomach acid (B)</p> Signup and view all the answers

Which combination of antibiotics is used to cure ulcers caused by Helicobacter pylori?

<p>High dose Amoxicillin, Azithromycin, Metronidazole, Tetracycline (A)</p> Signup and view all the answers

What is the purpose of the radioactive CO2 breath test in diagnosing Helicobacter pylori infection?

<p>To detect labelled CO2 after the patient drinks C13 labelled urea (A)</p> Signup and view all the answers

Where does the invasion pathway of salmonellae begin?

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

What is a common symptom of typhoid salmonelloses?

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

What presents a challenge in eliminating the infection in chronic stool carriers of typhoid salmonellae?

<p>Gallbladder wall persistence (A)</p> Signup and view all the answers

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