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Introduction to Radiology and Radiography
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Introduction to Radiology and Radiography

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Questions and Answers

What is the main reason provided in the text for all radiographs needing to be 'justified'?

  • To maintain image quality
  • To enhance contrast
  • To reduce scan time
  • To avoid unnecessary exposure (correct)
  • Which type of structures appear as radiopaque areas on a radiograph?

  • Soft tissues
  • Dense structures (correct)
  • Fluid-filled structures
  • Air-filled structures
  • What term is used to describe the high energy electromagnetic radiation that travels as wave packets called 'photons'?

  • Infrared radiation
  • Microwaves
  • Gamma rays (correct)
  • Ultraviolet waves
  • What is the primary factor affecting the density of radiolucent areas in a radiographic image?

    <p>Position of the object relative to the X-ray beam</p> Signup and view all the answers

    Which term describes areas on a radiograph where the X-ray beam has passed through the object, appearing black?

    <p>Radiolucent areas</p> Signup and view all the answers

    What is a limitation of viewing a 2D image of a 3D object according to the text?

    <p>Difficulty in determining the position of overlapping objects</p> Signup and view all the answers

    Which radiographic technique involves interpreting medical imaging according to the text?

    <p>Radiography</p> Signup and view all the answers

    In dental anatomy, which type of tooth numbering system uses a 'Letters and numbers system'?

    <p>Palmer Notation</p> Signup and view all the answers

    What is one reason why viewing a 2D image of a 3D object has limitations?

    <p>Lack of depth information</p> Signup and view all the answers

    What does the term 'Bitewings' refer to in the context of radiographs?

    <p>Intraoral radiographs</p> Signup and view all the answers

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