Medical Applications of Laser Technology

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Questions and Answers

What is the function of an Ophthalmoscope?

  • To examine the lungs
  • To look into the eyes (correct)
  • To examine the rectum
  • To examine the bladder

What type of light is used in Endoscopes to minimize tissue heating?

  • Visible light
  • Cold light (correct)
  • Infrared light
  • Ultraviolet light

What is the main reason why UV photons are considered more useful than IR photons?

  • UV photons have lower energies
  • UV photons have higher energies (correct)
  • UV photons can be seen by the human eye
  • UV photons cannot kill germs

What is the smallest object that can be resolved using light microscopes?

<p>$1 ext{ extmu m}$ in diameter (D)</p> Signup and view all the answers

What clinical condition can Transillumination be used to detect?

<p>Pneumothorax (collapsed lung) in infants (D)</p> Signup and view all the answers

What is the primary purpose of using lasers in medicine?

<p>To deliver energy to tissue (C)</p> Signup and view all the answers

Which wavelength of laser is generally better absorbed by human tissue?

<p>Short wave (400-600nm) (C)</p> Signup and view all the answers

What type of laser is a Ruby laser?

<p>Pulsed laser (B)</p> Signup and view all the answers

How is a Ruby laser commonly used in medical applications?

<p>To produce painless eye tumor removal (A)</p> Signup and view all the answers

What is one of the applications of visible light in medicine mentioned in the text?

<p>Three-dimensional imaging known as holography (A)</p> Signup and view all the answers

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