Multiple choice

What does the term absorption mean in regards laser light and tissue?

  1. light can be transmitted through tissue,fluid, & even glass

  2. The cells in the tissue are broken down

  3. light contacts tissue,the photon of light loses heat energy

  4. The absorption of light by chromophores
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C Correct answer
Explanation

Absorption occurs when light energy is taken up by tissue and converted into another form of energy, typically heat. This is the fundamental mechanism for how lasers affect target tissues.

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