5 Infection
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Questions and Answers

What is the optimal glucose level for a septic patient?

  • Greater than 200 mg/dL
  • Between 180-200 mg/dL
  • Less than 150 mg/dL
  • Between 150-180 mg/dL (correct)
  • Which bacterium is most commonly associated with necrotizing fasciitis?

  • Escherichia coli
  • Staphylococcus epidermidis
  • Clostridium perfringens (correct)
  • Pseudomonas aeruginosa
  • What is the most common organism overall in surgical site infections?

  • Bacteroides fragilis
  • Escherichia coli
  • Staphylococcus aureus (correct)
  • Pseudomonas aeruginosa
  • Which bacterium is the most common anaerobe in surgical wound infections?

    <p>Bacteroides fragilis</p> Signup and view all the answers

    What is the main treatment for fulminant pseudomembranous colitis?

    <p>Total abdominal colectomy with ileostomy</p> Signup and view all the answers

    In surgical infections, what does recovery from tissue indicate?

    <p>Necrosis or abscess</p> Signup and view all the answers

    What is the leading cause of infectious death after surgery?

    <p>Nosocomial pneumonia</p> Signup and view all the answers

    Which organism is the most common cause of monobacterial peritoneal dialysis catheter infections?

    <p>S. epidermidis</p> Signup and view all the answers

    What is the recommended treatment for peritonitis that lasts for 4–5 days in peritoneal dialysis patients?

    <p>Removal of the catheter</p> Signup and view all the answers

    In case of fecal peritonitis, what is the recommended approach to find the perforation?

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

    What are the common risk factors for sinusitis mentioned in the text?

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

    What does a CT head show in the sinus in cases of sinusitis?

    <p>Air–fluid levels</p> Signup and view all the answers

    What is the best prevention strategy for nosocomial infections according to the text?

    <p>Hand washing</p> Signup and view all the answers

    What is recommended as the best approach for preventing surgical site infections preoperatively?

    <p>Use of razors</p> Signup and view all the answers

    What is recommended as the best strategy to keep patients warm during surgery?

    <p>% air conduction with Bair Hugger for warming patients</p> Signup and view all the answers

    What is recommended as a preoperative skin preparation for preventing surgical site infections according to the text?

    <p>$Chlorhexidine$ prep with $iodine$-impregnated drapes</p> Signup and view all the answers

    Which of the following is the most appropriate treatment for Fournier's gangrene?

    <p>Sulfonamides (Bactrim)</p> Signup and view all the answers

    What is the most common indication for laparotomy in HIV patients?

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

    What is the recommended treatment for spontaneous bacterial peritonitis (SBP) in a cirrhotic patient?

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

    Which of the following infections is transmitted via leukocytes?

    <p>CMV infection</p> Signup and view all the answers

    What is the most appropriate initial treatment for brown recluse spider bites?

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

    Which organism is found only in human bites and can cause permanent joint injury?

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

    What is the most common organism causing acute septic arthritis?

    <p>Staphylococcus aureus</p> Signup and view all the answers

    What is the most common organism in the colon?

    <p>Bacteroides fragilis</p> Signup and view all the answers

    Which organism is more common in the colon, anaerobic or aerobic bacteria?

    <p>Anaerobic bacteria are more common</p> Signup and view all the answers

    What is the most common fever source within 48 hours?

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

    Which organism triggers the release of TNF-α in gram-negative sepsis?

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

    Which condition is the most common fever source after 5 days?

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

    What is the most common immune deficiency?

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

    How many bacteria are found in the distal small bowel?

    <p>$10^7$ bacteria</p> Signup and view all the answers

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