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CT Imaging Formation and Quality Quiz
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CT Imaging Formation and Quality Quiz

Created by
@ReasonedPenguin9225

Questions and Answers

What is the single most important factor in obtaining good quality diagnostic images in CT?

  • The production of x-rays
  • The role of the computer for image reconstruction
  • The mechanics of the tube motion and table travel
  • The skill of the Radiologist (correct)

    • When does image formation in CT begin?

  • After the raw digital data has been converted to a numeric map
  • During the mechanics of the tube motion and table travel
  • Once x-rays have been produced and directed towards the patient on the table (correct)
  • At the role of the computer for image reconstruction

    • What does image formation in CT refer to?

  • The mechanics of the tube motion and table travel
  • Conversion of information from the scan into raw digital data (correct)
  • The role of the computer for image reconstruction
  • The production of x-rays

    • What is involved in the total CT imaging process?

    <p>The production of x-rays, the mechanics of the tube motion and table travel, and the role of the computer for image reconstruction</p> Signup and view all the answers

    What are the steps of CT image formation?

    <p>Multiple projections are taken at 90</p> Signup and view all the answers

    What is the purpose of pre-patient collimation in CT imaging?

    <p>To decrease radiation dose to the patient</p> Signup and view all the answers

    What is the function of the detector array in a CT scanner?

    <p>To convert collected data into visible images</p> Signup and view all the answers

    Which generation of CT scanners uses pencil beam with 2 detectors and is called Translate-Rotate Scanners?

    <p>First generation</p> Signup and view all the answers

    What is the main reason for using a large rotating anode in a CT scanner?

    <p>To minimize heat damage from the X-ray beam</p> Signup and view all the answers

    What is the purpose of motorizing the patient support couch in a CT scanner?

    <p>To allow movement</p> Signup and view all the answers

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