Medical Imaging Streak Artifacts Quiz
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Questions and Answers

What can cause streak artifacts in an image?

  • Low random errors
  • Proper detector measurements
  • Improper sampling of data (correct)
  • High X-ray intensity

    • What is a common reason for streak artifacts according to the text?

  • Consistent detector measurements
  • Low beam divergence
  • Tube arcing (correct)
  • System alignment

    • Why does a small structure like the edge of a bone contribute to image streaks?

  • It eliminates beam divergence
  • It attenuates the X-ray beam differently in different directions (correct)
  • It leads to consistent ray path measurements
  • It enhances the image quality

    • What happens during a 360 axial scan regarding the X-ray beam sampling?

    <p>The X-ray beam samples slightly different volumes in each direction due to beam divergence</p> Signup and view all the answers

    What do inconsistent measurements of the same ray path during imaging lead to?

    <p>Image streaks</p> Signup and view all the answers

    Why do streak artifacts appear as intense straight lines in images?

    <p>As a result of motion artifact</p> Signup and view all the answers

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