Dye Lasers in Medicine

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Questions and Answers

What is the primary purpose of photocoagulation in laser surgery?

  • To make incisions and vaporize tissue
  • To stimulate tissue growth
  • To disrupt membranes
  • To stop bleeding by coagulating blood vessels (correct)

What is photo vaporization used for in laser surgery?

  • To stimulate tissue growth
  • To make incisions and vaporize tissue (correct)
  • To disrupt membranes
  • To coagulate blood vessels

What is the term for the ability of laser energy to penetrate through superficial tissues and interact with deeper regions?

  • Scattering
  • Absorption
  • Reflection
  • Transmission (correct)

What is the term for the phenomenon where laser energy scatters in a variety of ways when it reaches the target tissue?

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

What are the primary factors that affect the thermal effect of lasers on biological tissue?

<p>Laser parameters and tissue properties (D)</p> Signup and view all the answers

What is homeostasis in the context of laser surgery?

<p>A procedure to stop bleeding (B)</p> Signup and view all the answers

What is the term for the process of disrupting membranes in laser surgery?

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

What are the three distinct phenomena that contribute to the thermal effect of lasers on biological tissue?

<p>Conversion of light to heat, transfer of heat, and tissue reaction (D)</p> Signup and view all the answers

What is the purpose of diode lasers in tissue transmission?

<p>To achieve deeper penetration (C)</p> Signup and view all the answers

What is the term used to describe the destruction of tissue due to the thermal effect of lasers?

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

What are the primary parameters of the laser that affect its effect on biological tissue?

<p>Wavelength, power, time, and mode of emission (A)</p> Signup and view all the answers

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