Types of Bacteria in Surgical Microbiology
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Types of Bacteria in Surgical Microbiology

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Questions and Answers

What are bacteria?

  • Very small, usually single-celled organisms (correct)
  • Large, multi-celled organisms
  • Viruses that infect humans
  • Microscopic plants
  • How are bacteria classified based on the Gram stain test?

  • By their preferred temperature for growth
  • By their shape and size
  • By the presence of peptidoglycan in their cell walls (correct)
  • By their ability to cause diseases
  • Who invented the Gram stain test?

  • Hans Christian Gram (correct)
  • Alexander Fleming
  • Louis Pasteur
  • Robert Koch
  • What is the purpose of the Gram stain test?

    <p>To classify bacteria based on their cell wall composition</p> Signup and view all the answers

    What happens when bacteria are stained with the Gram stain?

    <p>Gram-positive bacteria take on a purple color, while Gram-negative bacteria take on a red color</p> Signup and view all the answers

    How many bacterial species are estimated to exist?

    <p>One trillion or more</p> Signup and view all the answers

    What is the most common cause of gas gangrene mentioned in the text?

    <p>Clostridium perfringens</p> Signup and view all the answers

    Which of the following is NOT listed as a cause of surgical site infection?

    <p>Presence of comorbidities in the patient</p> Signup and view all the answers

    What is the recommended maximum duration for dressing change after surgery?

    <p>48 hours</p> Signup and view all the answers

    Which of the following factors is NOT mentioned as contributing to surgical site infection?

    <p>Use of non-sterile sutures</p> Signup and view all the answers

    What can increase the risk of surgical site infection?

    <p>Early discharge from the hospital after surgery</p> Signup and view all the answers

    Which of the following statements is true based on the information provided in the text?

    <p>The risk of infection varies from patient to patient</p> Signup and view all the answers

    Which type of bacteria is Gram negative?

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

    What shape are bacteria called if they are round?

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

    What are some risk factors for Surgical Site Infection (SSI)?

    <p>Poor circulation</p> Signup and view all the answers

    Which type of organisms require oxygen for survival?

    <p>Bacillus anthracis</p> Signup and view all the answers

    Which symptom is associated with Surgical Site Infection (SSI)?

    <p>Yellow or cloudy pus drainage from the incision site</p> Signup and view all the answers

    What is the primary shape of spirals?

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

    How can patients prevent infections before surgery?

    <p>Washing with an antiseptic cleanser before going to the hospital</p> Signup and view all the answers

    Which of the following is an anaerobic organism?

    <p>Clostridium botulinum</p> Signup and view all the answers

    What type of bacteria are difficult to treat due to multidrug-resistance?

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

    Which condition can compromise the immune system and increase the risk of Surgical Site Infection (SSI)?

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

    Why is it advised not to shave before surgery according to the text?

    <p>Shaving can introduce infection under your skin</p> Signup and view all the answers

    What should patients do after surgery to prevent Surgical Site Infection (SSI)?

    <p>Keep the sterile dressing applied by the surgeon for at least 48 hours</p> Signup and view all the answers

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