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  • Which of the following is used by surgeons as a “light kn...
Multiple choice

Which of the following is used by surgeons as a “light knife”?

  1. X-rays

  2. Lasers

  3. Gamma rays

  4. All of these

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Lasers are often referred to as a light knife in surgery because they can cut, cauterize, and vaporize tissue with high precision using focused light energy.

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