1. What can Ultrasound therapy be used for?
- Can move kidney stones out of the kidneys without them moving naturally.
- To break painful kidney stones into little bits so the fragments are small enough to leave the kidneys naturally.
- To treat cancerous cells.
- To ionise cells.
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Other questions in this quiz
2. What happens to Ultrasound waves after a transducer has emitted pulses?
- It is partially reflected from the different tissue boundaries in its path and returns to the transducer to create an image on a screen.
- They travel through tissue to the other side of the body.
- They produce images of broken bones on a screen because the waves pass through things that are not dense like bone.
- The waves return to the transducer all at once to create an image on a screen.
3. What frequency range of sound waves can the human ear hear?
- 20Hz to 20 000Hz
- 5Hz to 5 000Hz
- 50Hz to 50 000Hz
- 10Hz to 10 000Hz
4. What are Ultrasound waves used for?
- To detect broken bones.
- Prenatal scans of a baby in the womb.
- To detect cancerous cells.
- To treat illness.
5. What, other than medical uses, do Ultrasound waves have?
- Detecting fish in the sea.
- Detecting metal under the sand (metal detectors).
- Detecting oil on the sea bed.
- Cleaning glass.
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