题目内容

7. Ultrasound machines use sound waves to produce an image.

A. True
B. False

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6. CT is only used to diagnose cancer

A. True
B. False

5. CT stands for Computed Tomography.

A. True
B. False

4. CT is like a computerised X-ray.

A. True
B. False

3. Pregnant women should never have an X-ray.

A. True
B. False