Other questions in this quiz

2. Why is ultrasound preferred to X-rays?

  • Ultrasound can build up an image of the internal structure
  • Ultrasound shows it in colour
  • It is quicker
  • It is cheaper

3. What happens to the wavelength when there is a higher frequency or pitch?

  • It gets smaller
  • It gets bigger
  • It stays the same

4. Can humans hear ultrasound?

  • No
  • yes

5. What type of wave is ultrasound?

  • Longitudinal
  • Transverse

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