Laser
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Questions and Answers

What type of laser has a concentrated beam?

  • Argon laser
  • KTP laser
  • Nd-YAG laser
  • Carbon Dioxide laser (correct)

    • What is a benefit of laser surgery?

  • Microscopic precision (correct)
  • Low frequency
  • Poor tissue reaction
  • High energy output

    • Which laser penetrates tissue deeper than CO2?

  • Nd-YAG laser (correct)
  • Argon laser
  • Excimer laser
  • KTP laser

    • What allows energy sources to travel through flexible quartz fibers?

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

    What does the acronym 'Laser' stand for?

    <p>Light Amplification by Stimulated Emission of Radiation</p> Signup and view all the answers

    What determines the wavelength of light emitted by a laser?

    <p>The amount of energy released when the electron drops to a lower orbit</p> Signup and view all the answers

    Which component is essential for a laser's monochromatic property?

    <p>Resonant Chamber</p> Signup and view all the answers

    What type of radiation does a laser emit?

    <p>Non-Ionizing Radiation</p> Signup and view all the answers

    What is the purpose of the resonant chamber in a laser?

    <p>To contain the laser medium</p> Signup and view all the answers

    What property of laser light makes it monochromatic?

    <p>Wavelength specificity</p> Signup and view all the answers

    What is the primary advantage of CO2 lasers in surgery?

    <p>Efficient tissue vaporization due to water absorption at far-infrared wavelength</p> Signup and view all the answers

    What makes Nd-YAG lasers useful in ENT surgery?

    <p>Better coagulation in vascular pathologies</p> Signup and view all the answers

    Why is excimer laser used exclusively for retinal and LASIK surgery?

    <p>It has a specific wavelength suitable for these procedures</p> Signup and view all the answers

    What is the main advantage of optical fibers in surgical procedures?

    <p>Energy transmission through flexible quartz fibers</p> Signup and view all the answers

    What safety measure should OR staff take when a laser is not in use?

    <p>Keep the laser in stand-by mode</p> Signup and view all the answers

    What safety measure should patients take during laser surgery?

    <p>Wear laser safety goggles</p> Signup and view all the answers

    What is the distinguishing feature of Argon laser in terms of its color?

    <p>Blue-green colored</p> Signup and view all the answers

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