Multiple choice

An endoscope is a

  1. narrow telescope

  2. type of camera

  3. simple microscope

  4. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

An endoscope operates on principles similar to a telescope - it uses lenses or fiber optics to illuminate and view internal body cavities. Like a telescope, it's an optical instrument designed for viewing, but it's narrow and flexible for medical use.

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