Sterilization Methods in Laboratory
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Questions and Answers

What is the primary advantage of using an autoclave for sterilization?

  • It is effective for heat labile items
  • It is a rapid process
  • It is a dependable and non-toxic method (correct)
  • It is a low-cost method

    • What is the minimum percentage of contaminants captured by HEPA air filters at 0.3 μ in size?

  • 99.97% (correct)
  • 99.9%
  • 99.99%
  • 99.95%

    • What is the purpose of segregation/sorting in medical waste disposal?

  • To store waste within a facility
  • To eliminate waste from a health facility
  • To separate waste by type into colour coded bags (correct)
  • To transport waste to a facility

    • What is the role of interim storage in medical waste disposal?

    <p>To store waste within a facility until it can be transported for final disposal</p> Signup and view all the answers

    What is the primary purpose of using glutaraldehyde 2% (Cidex) for sterilization?

    <p>To sterilize heat labile items</p> Signup and view all the answers

    What type of sterilization method is effective for heat labile items?

    <p>Peracetic acid 0.2-0.35%</p> Signup and view all the answers

    What is the primary cause of a spill in medical waste disposal?

    <p>Cause substances to fall out of their container</p> Signup and view all the answers

    What is the purpose of final disposal in medical waste disposal?

    <p>To eliminate waste from a health facility</p> Signup and view all the answers

    What is the correct procedure for handling a sharp object?

    <p>Place cap on flat surface and then remove hand from cap</p> Signup and view all the answers

    What is the purpose of antibiotic stewardship?

    <p>To promote the appropriate use of all antimicrobials</p> Signup and view all the answers

    What should be done immediately after a biological spill?

    <p>Dispose of the spill in a red bag</p> Signup and view all the answers

    How should safety boxes be stored?

    <p>In a safe and secure location</p> Signup and view all the answers

    What should be done in case of a chemical spill?

    <p>Open doors and windows for ventilation</p> Signup and view all the answers

    What is the purpose of hands-free technique for passing sharps?

    <p>To prevent injuries</p> Signup and view all the answers

    What should be considered when selecting an antibiotic?

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

    What should be done before transporting safety boxes?

    <p>Make sure the boxes are dry and protected from rain</p> Signup and view all the answers

    What should be done after a spill of radioactive material?

    <p>Estimate the activity involved and nature of contamination</p> Signup and view all the answers

    What is a key consideration in rational antibiotic use?

    <p>Right antibiotic, right time, right dose, and right duration</p> Signup and view all the answers

    Why should umbilical venous catheters be replaced?

    <p>If malfunctions occur</p> Signup and view all the answers

    How should breast pumps be cleaned and disinfected?

    <p>Wash with hot soapy water and sterilize daily</p> Signup and view all the answers

    Why should formula not be used beyond 24 hours after preparation?

    <p>It becomes contaminated with bacteria</p> Signup and view all the answers

    How often should incubators be disinfected?

    <p>Every 7 days of hospitalization</p> Signup and view all the answers

    What is the primary source of infection risk in endoscopy?

    <p>Improper maintenance and cleaning of endoscope</p> Signup and view all the answers

    What is the purpose of rinsing in reprocessing endoscopes?

    <p>To remove detergent residue</p> Signup and view all the answers

    What is the recommended concentration of glutaraldehyde for disinfection?

    <p>&gt; 20%</p> Signup and view all the answers

    Why is hypochlorite not used for disinfection?

    <p>It is inactivated by organic matter</p> Signup and view all the answers

    What is the primary site of surgical site infections?

    <p>Operative site</p> Signup and view all the answers

    What is the purpose of aseptic techniques in operating theatres?

    <p>To reduce the risk of surgical site infections</p> Signup and view all the answers

    What are the potential consequences of not washing hands after removing gloves?

    <p>Contamination due to microorganism growth in warmth and humidity</p> Signup and view all the answers

    When is the use of alcohol-based hand rub advised?

    <p>After touching a patient</p> Signup and view all the answers

    How should liquid soap containers be managed?

    <p>Cleaned when empty and then refilled</p> Signup and view all the answers

    Why can sterile gloves not replace hand washing?

    <p>Gloves can rupture and are not 100% barriers</p> Signup and view all the answers

    What should be always used for drying hands after washing?

    <p>Paper or cloth towels</p> Signup and view all the answers

    In what situation should antiseptic hand wash be specifically used?

    <p>During invasive procedures</p> Signup and view all the answers

    What is the role of plain soap in hand washing?

    <p>To remove transient microorganisms and dirt</p> Signup and view all the answers

    What is a recommended practice when using running water for hand washing?

    <p>Use a towel to turn off the faucet</p> Signup and view all the answers

    What is the most important route through which pathogens are transmitted in health care settings during dialysis?

    <p>Contact transmission</p> Signup and view all the answers

    Which measure is NOT listed as part of the standard precautions for dialysis treatment?

    <p>Ensuring an adequate diet</p> Signup and view all the answers

    What should be done after each patient to manage environmental issues?

    <p>Perform thorough equipment sterilization</p> Signup and view all the answers

    What is NOT a recommended measure for the prevention and management of Hepatitis B Virus (HBV) in dialysis units?

    <p>Program for regular physical exercise</p> Signup and view all the answers

    What is recommended for the prevention and management of Hepatitis C Virus (HCV) in dialysis units?

    <p>Strict adherence to control precautions</p> Signup and view all the answers

    For HIV prevention and management in dialysis units, what is a recommended practice?

    <p>Routine testing every 3 months</p> Signup and view all the answers

    What is a key patient care issue in dialysis units to minimize infection-related morbidity and mortality?

    <p>Keeping access sites clean and dry</p> Signup and view all the answers

    Which is a measure listed for the prevention and management of bacterial infections in dialysis units?

    <p>Isolation of patients with infected skin wounds</p> Signup and view all the answers

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