Multiple choice

Which of the following is used in endoscopy?

  1. Optical fibers

  2. Glass fibers

  3. Glass wool

  4. None of these

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

Optical fiber is used in endoscopy while treatment. Internal view of the body is seen while treating a person and that picture is taken on a computer, where a doctor can operate by seeing the picture.