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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?

Scattering Signup and view all the answers

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

Laser parameters and tissue properties Signup and view all the answers

What is homeostasis in the context of laser surgery?

A procedure to stop bleeding Signup and view all the answers

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

Sonic Signup and view all the answers

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

Conversion of light to heat, transfer of heat, and tissue reaction Signup and view all the answers

What is the purpose of diode lasers in tissue transmission?

To achieve deeper penetration Signup and view all the answers

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

Denaturation Signup and view all the answers

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

Wavelength, power, time, and mode of emission Signup and view all the answers