Enterobacterales and Related Gram-Negative Bacilli
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Questions and Answers

What is the most appropriate initial treatment for gastroenteritis caused by E. coli?

  • Gentamicin
  • Piperacillin-tazobactam
  • Ciprofloxacin
  • Amoxicillin (correct)
  • Which antibiotic is Proteus mirabilis resistant to, and thus should not be used for treatment?

  • Co-trimoxazole
  • Nitrofurantoin (correct)
  • Ciprofloxacin
  • Amoxicillin-clavulanate
  • Which characteristic appearance does Proteus mirabilis show on blood agar?

  • Mucoid lactose fermenting pink colonies
  • Swarming appearance (correct)
  • Non-lactose fermenting colonies
  • Fishy smell
  • Infections caused by Klebsiella spp. may be resistant to which type of antibiotic?

    <p>Beta-lactams</p> Signup and view all the answers

    What type of infections is Pseudomonas aeruginosa commonly associated with?

    <p>Hospital-acquired infections</p> Signup and view all the answers

    Which organism is the most common cause of urinary tract infection (UTI) in both community and hospital settings?

    <p>Escherichia coli</p> Signup and view all the answers

    What is the medical term for stones in the urinary tract?

    <p>Urolithiasis</p> Signup and view all the answers

    What type of sample is a 'tracheal aspirate'?

    <p>Aspirated respiratory sample from an intubated patient</p> Signup and view all the answers

    What does ESBL stand for in the context of antibiotic resistance?

    <p>Extended-spectrum beta lactamase</p> Signup and view all the answers

    Which of the following is NOT considered a part of the normal intestinal flora?

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

    What is the habitat of Enterobacterales?

    <p>Intestines</p> Signup and view all the answers

    Which of the following is a common cause of intra-abdominal, urinary, respiratory tract, and blood stream infections?

    <p>Enterobacterales</p> Signup and view all the answers

    What type of infections is E. coli commonly associated with?

    <p>Urinary tract infections (UTI)</p> Signup and view all the answers

    Which method is used for further identification of gram-negative bacilli after growing on non-selective and selective media?

    <p>Biochemical testing</p> Signup and view all the answers

    What is the most appropriate initial treatment for gastroenteritis caused by E. coli?

    <p>Rehydration therapy only</p> Signup and view all the answers

    What type of infection may Proteus mirabilis cause in patients with functional or anatomical abnormalities?

    <p>Urinary tract infections</p> Signup and view all the answers

    What characteristic appearance does Proteus mirabilis show on blood agar?

    <p>Swarming appearance</p> Signup and view all the answers

    Which antibiotic resistance is Proteus mirabilis known for?

    <p>Resistant to nitrofurantoin</p> Signup and view all the answers

    Which type of infection is Pseudomonas aeruginosa commonly associated with?

    <p>Respiratory tract infection</p> Signup and view all the answers

    What are Klebsiella spp. NOT associated with?

    <p>Gastroenteritis/diarrhoeal disease</p> Signup and view all the answers

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