Medical Imaging

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1. How does fMRI monitor oxygen uptake in the brain?

  • deoxyhaemoglobin absorbs radio waves so active parts light up
  • deoxyhaemoglobin reflects the radio waves so unactive part lights up
  • oxyhaemoglobin absorbs radiation so active parts light up
  • parts of the brain with large water content swell up
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Other questions in this quiz

2. Which produces the most detailed picture of the body?

  • MRI scan
  • CT scan
  • X-ray

3. MRI scans use magnetic fields to create and image, true or false?

  • true
  • false

4. Which is NOT a drawback of CT?

  • identifies the major tissues
  • less detailed picture
  • uses x-rays

5. What can be used to make the tissue more visible during a CT scan?

  • a dark room
  • dyes
  • water
  • morphine


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