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 (A)</p> Signup and view all the answers

What does the acronym 'Laser' stand for?

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

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

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

What type of radiation does a laser emit?

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

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

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

What property of laser light makes it monochromatic?

<p>Wavelength specificity (A)</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 (D)</p> Signup and view all the answers

What makes Nd-YAG lasers useful in ENT surgery?

<p>Better coagulation in vascular pathologies (A)</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 (D)</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 (B)</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 (A)</p> Signup and view all the answers

What safety measure should patients take during laser surgery?

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

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

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

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