Pseudomonas Aeruginosa Characteristics Quiz

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Questions and Answers

Which condition is particularly associated with Pseudomonas aeruginosa infections in burn patients?

  • Osteomyelitis
  • Sepsis and dermatonecrosis (correct)
  • Meningitis
  • Endocarditis

Which type of infection is commonly associated with indwelling catheters and chamber pots?

  • Pneumonia
  • Meningitis
  • Urinary tract infections (UTIs) (correct)
  • Gastroenteritis

What condition is associated with contaminated hot tub water?

  • Pseudomembranous colitis
  • Pruritic papular pustular folliculitis (correct)
  • Necrotizing fasciitis
  • Toxic shock syndrome

Which skin condition is associated with the Dalmatian dog image in the context of Pseudomonas aeruginosa infections?

<p>Ecthyma gangrenosum (A)</p> Signup and view all the answers

What condition is represented by the ear trumpet and maid listening image?

<p>Otitis externa (swimmer's ear) (D)</p> Signup and view all the answers

Which of the following statements about Pseudomonas aeruginosa is correct?

<p>It is a non-lactose fermenter on MacConkey agar. (B)</p> Signup and view all the answers

Which of the following diseases is commonly associated with Pseudomonas aeruginosa infections?

<p>Nosocomial pneumonia in cystic fibrosis patients (D)</p> Signup and view all the answers

Which of the following characteristics is associated with Pseudomonas aeruginosa?

<p>It produces a blue-green pigment when plated. (A)</p> Signup and view all the answers

Which of the following conditions increases the risk of Pseudomonas aeruginosa infections?

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

Which of the following is a characteristic feature of Pseudomonas aeruginosa infections?

<p>A fruity, grape-like odor (D)</p> Signup and view all the answers

Which of the following is a common transmission route for Pseudomonas aeruginosa?

<p>Contaminated bathtubs and aquatic environments (D)</p> Signup and view all the answers

What is the mechanism of action of the exotoxin A produced by Pseudomonas aeruginosa?

<p>It inhibits protein synthesis by ribosylating elongation factor 2 (EF-2) (B)</p> Signup and view all the answers

Which antibiotic class is effective against Pseudomonas aeruginosa infections?

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

Which condition increases the risk of developing Pseudomonas aeruginosa sepsis?

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

What skin condition is associated with Pseudomonas aeruginosa infections in hot tub environments?

<p>Pruritic papular pustular folliculitis (A)</p> Signup and view all the answers

Which condition is represented by the image of the ear trumpet and maid listening?

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

Which of the following is a characteristic feature of Pseudomonas aeruginosa that helps it evade immune defenses?

<p>An alginate capsule that protects it from phagocytosis and antibiotics (D)</p> Signup and view all the answers

What is the significance of the image showing a nurse pouring chlorine?

<p>It symbolizes the role of chloride channels in the pathogenesis of cystic fibrosis (B)</p> Signup and view all the answers

What is the significance of the image showing a mortar and pestle with candy and fish bones?

<p>It symbolizes the risk of osteomyelitis in intravenous drug users and diabetics (D)</p> Signup and view all the answers

Which of the following is a characteristic feature of Pseudomonas aeruginosa on MacConkey agar?

<p>It produces blue-green colonies due to the production of pyocyanin and pyoverdin (A)</p> Signup and view all the answers

Which of the following is a characteristic feature of Pseudomonas aeruginosa related to its respiratory metabolism?

<p>It is an obligate aerobe, requiring oxygen for growth (A)</p> Signup and view all the answers

Which of the following conditions is associated with an increased risk of Pseudomonas aeruginosa infections?

<p>Chronic granulomatous disease (CGD) (A)</p> Signup and view all the answers

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