Anti-Scatter Grid Characteristics in Mammography
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Questions and Answers

What is the typical focal length of a grid for most radiographic suites?

  • 100 cm (correct)
  • 250 cm
  • 150 cm
  • 200 cm
  • What happens if the X-ray tube is accidentally located at a different distance from the grid?

  • Grid lines will be more visible
  • Grid cutoff will occur (correct)
  • Image resolution will improve
  • Scatter radiation will decrease
  • What type of grid is recommended to have less forgiving focal distance?

  • Linear grids
  • Low grid ratio grids
  • Crossed grids
  • High grid ratio grids (correct)
  • In what type of X-ray system were stationary grids common?

    <p>Upright screen-film chest radiography systems</p> Signup and view all the answers

    What is the purpose of a Bucky grid's reciprocating motion during X-ray exposure?

    <p>To cause the grid bars to be blurred and not visible in the image</p> Signup and view all the answers

    What is the most fundamental descriptor of a grid's construction?

    <p>Grid Ratio</p> Signup and view all the answers

    What material is typically used as the interspace material in a linear grid for general radiography?

    <p>Carbon Fiber</p> Signup and view all the answers

    In general diagnostic radiology, what are the typical grid ratios used?

    <p>6, 8, 10</p> Signup and view all the answers

    What type of grid is recommended for mammography?

    <p>Crossed Grid</p> Signup and view all the answers

    What is the number of grid septa per centimeter known as?

    <p>Grid Frequency</p> Signup and view all the answers

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