Biological Containment: Laboratory Safety and Controls
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Questions and Answers

What is the name of the filters used to retain volatile molecules, gases, and vapours?

  • HEPA filters (correct)
  • PPE filters
  • Laboratory filters
  • Administrative filters

    • What is the primary purpose of primary containment?

  • To ensure proper work practices and personal protective equipment
  • To filter aerosols and volatile molecules
  • To provide administrative controls
  • To prevent the release of biological materials into the environment (correct)

    • What is the approximate settling time of 0.5 μm aerosol droplets?

  • 41 hours (correct)
  • 6 seconds
  • 8 minutes
  • 1.5 hours

    • What is the Most Penetrating Particle Size (MPPS) of HEPA filters?

    <p>0.2 microns</p> Signup and view all the answers

    What is the general behaviour of small aerosol droplets?

    <p>They tend to stay suspended in the air and can travel long distances</p> Signup and view all the answers

    What is the approximate size of most viruses in terms of microns?

    <p>0.5 μm</p> Signup and view all the answers

    What is the primary limitation of H14 HEPA filters?

    <p>Inability to retain volatile molecules, gases, vapors, and odors</p> Signup and view all the answers

    What type of filter is commonly used for biosafety purposes, in addition to HEPA filters?

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

    What is the Most Penetrating Particle Size (MPPS) for HEPA filters?

    <p>0.2 microns</p> Signup and view all the answers

    What is the purpose of a biosafety cabinet in a laboratory?

    <p>To contain and filter airborne microorganisms</p> Signup and view all the answers

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