Other questions in this quiz

2. Which is NOT a drawback of MRI?

  • only gives a historical picture
  • removes risk of x-rays
  • its noisy

3. Which is NOT a drawback of CT?

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

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

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

5. What does fMRI enable?

  • watching areas of the brain in action
  • healing of the brain without surgery
  • quicker scanning than MRI

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