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6. How can ultrasound help kidney stones?
- They make kidney stones bigger
- They break down kidney stones into smaller pieces
- They dissolve kidney stones
7. What is a use of ultrasound to do with soft tissue?
- It is able to produce images of soft tissue
- It can create more soft tissue
- It can heal soft tissue
8. Can ultrasound travel through a vacuum?
9. Why is ultrasound preferred to X-rays?
- Ultrasound can build up an image of the internal structure
- It is quicker
- It is cheaper
- Ultrasound shows it in colour
10. Does ultrasound damage cells?
11. Can humans hear ultrasound?
12. What type of wave is ultrasound?