Bacterial Infections Pathogenesis
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Questions and Answers

Which group of bacteria is known for being ampicillin resistant?

  • Proteus Spp
  • Serratia Spp (correct)
  • Providencia and Morganella Spp
  • Enterobacter Spp

Which bacteria can cause nosocomial infections due to encapsulated beta-lactamase production?

  • Enterobacter Spp (correct)
  • Citrobacter Spp
  • Proteus Spp
  • Providencia and Morganella Spp

Which bacteria is commonly isolated from bloodstreams and associated with catheters?

  • Proteus Spp (correct)
  • Serratia Spp
  • Citrobacter Spp
  • Providencia and Morganella Spp

Which bacteria is associated with intraabdominal infections and soft tissue infections, especially in patients undergoing invasive procedures?

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

Which bacteria is commonly found in urinary tract isolates and is a beta-lactamase producer?

<p>Providencia and Morganella Spp (D)</p> Signup and view all the answers

Which bacteria can cause neonatal meningitis, necrotizing encephalitis, and brain abscesses?

<p>Citrobacter Spp (A)</p> Signup and view all the answers

'Urease producers' among bacteria lead to the formation of struvite stones. Which of the following bacteria are urease producers?

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

Which bacterium secretes hemolysin and binds to glycolipids on epithelial cells?

<p>Escherichia coli (E. coli) (B)</p> Signup and view all the answers

Which bacterium is associated with causing neonatal meningitis?

<p>Escherichia coli (E. coli) (D)</p> Signup and view all the answers

Which bacterium produces the Shiga toxin that disrupts protein synthesis and damages epithelium?

<p>Shigella spp. (A)</p> Signup and view all the answers

Which bacterium invades M cells and enterocytes, causing diarrhea with fever, abdominal cramps, nausea, and vomiting?

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

Which bacterium is the most common cause of septicemia leading to lesions, prolonged fever, anemia, and death?

<p>Salmonella spp. (B)</p> Signup and view all the answers

Which Salmonella serotype has more than 2500 O serotypes?

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

Which bacteria cause non-typhoidal infections with symptoms such as lobar pneumonia and rare intraabdominal infections affecting spleen/liver?

<p>Salmonella spp. (D)</p> Signup and view all the answers

Which bacteria survive in macrophages and can cause meningitis usually in neonates with seizures, paralysis, and retardation?

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

Which bacteria can develop septicemia with localized infections such as endocarditis and arteritis in a small percentage of cases?

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

Which bacteria are known for its virulence factors targeting humans as the only reservoir and characterized by low infectious dose?

<p>Shigella spp. (A)</p> Signup and view all the answers

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