24 Questions
What are bacteria?
Very small, usually single-celled organisms
How are bacteria classified based on the Gram stain test?
By the presence of peptidoglycan in their cell walls
Who invented the Gram stain test?
Hans Christian Gram
What is the purpose of the Gram stain test?
To classify bacteria based on their cell wall composition
What happens when bacteria are stained with the Gram stain?
Gram-positive bacteria take on a purple color, while Gram-negative bacteria take on a red color
How many bacterial species are estimated to exist?
One trillion or more
What is the most common cause of gas gangrene mentioned in the text?
Clostridium perfringens
Which of the following is NOT listed as a cause of surgical site infection?
Presence of comorbidities in the patient
What is the recommended maximum duration for dressing change after surgery?
48 hours
Which of the following factors is NOT mentioned as contributing to surgical site infection?
Use of non-sterile sutures
What can increase the risk of surgical site infection?
Early discharge from the hospital after surgery
Which of the following statements is true based on the information provided in the text?
The risk of infection varies from patient to patient
Which type of bacteria is Gram negative?
Cholera
What shape are bacteria called if they are round?
Coccus
What are some risk factors for Surgical Site Infection (SSI)?
Poor circulation
Which type of organisms require oxygen for survival?
Bacillus anthracis
Which symptom is associated with Surgical Site Infection (SSI)?
Yellow or cloudy pus drainage from the incision site
What is the primary shape of spirals?
Spirillum
How can patients prevent infections before surgery?
Washing with an antiseptic cleanser before going to the hospital
Which of the following is an anaerobic organism?
Clostridium botulinum
What type of bacteria are difficult to treat due to multidrug-resistance?
Escherichia coli (E.coli)
Which condition can compromise the immune system and increase the risk of Surgical Site Infection (SSI)?
Diabetes
Why is it advised not to shave before surgery according to the text?
Shaving can introduce infection under your skin
What should patients do after surgery to prevent Surgical Site Infection (SSI)?
Keep the sterile dressing applied by the surgeon for at least 48 hours
Learn about different types and shapes of bacteria in the context of surgical microbiology. Understand characteristics of bacteria and their role in surgical site infection (SSI), including causes, symptoms, signs, and prevention measures.
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