CT Scanning Helical Trajectory Quiz
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Questions and Answers

What happens when the pitch in a helical CT scan is less than 1?

  • Coils of the helix are separated
  • Coils of the helix overlap
  • The x-ray beam associated with consecutive helical loops is contiguous
  • Beams and consecutive loops overlap (correct)

    • When the pitch in a helical CT scan is greater than 1, what occurs to the coils of the helix?

  • Beams and consecutive loops overlap
  • Coils of the helix overlap
  • Coils of the helix are separated (correct)
  • The x-ray beam edge of the consecutive loop is contiguous

    • What does a pitch of 1 indicate in terms of a helical CT scan?

  • Coils of the helix overlap
  • Beams and consecutive loops overlap
  • Coils of the helix are separated
  • The x-ray beam edge of the consecutive loop is contiguous (correct)

    • How does a low pitch value affect the x-ray beam in a helical CT scan?

    <p>Double irradiates underlying tissues</p> Signup and view all the answers

    What advantage does a high pitch value offer in a helical CT scan?

    <p>Enhances multiplanar or 3D renderings</p> Signup and view all the answers

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