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DBP 10803 | Imaging Technique II Topics Quiz
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DBP 10803 | Imaging Technique II Topics Quiz

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Questions and Answers

In a Caldwell radiograph, what radiographic criteria indicate the correct positioning of the patient?

  • Sphenoid sinuses visualized lateral to each nasal bone
  • Ethmoid air cells directly below the frontal sinuses
  • Frontal sinuses projected above the frontonasal suture (correct)
  • Maxillary sinuses visualized free from superimposing structures

    • What is the primary purpose of an SMV projection for the paranasal sinuses?

  • View the ethmoid air cells
  • Assess the frontal sinuses
  • Obtain an inferior view of the sphenoid sinus (correct)
  • Visualize the maxillary sinuses

    • Which paranasal sinus structure should be visualized free from superimposing alveolar processes in a Waters method radiograph?

  • Inferior orbital rim
  • Frontal sinus
  • Sphenoid sinus
  • Maxillary sinus (correct)

    • What is the correct position of the head in a parietoacanthial (Waters method) radiograph for the paranasal sinuses?

    <p>OML forming a 37° angle with plane of IR</p> Signup and view all the answers

    Which special projection technique provides an oblique view of the frontal sinuses?

    <p>Parietoacanthial transoral (open mouth Waters method)</p> Signup and view all the answers

    When performing a lateral PNS radiograph, which structure should be positioned lateral to each nasal bone?

    <p>Ethmoid air cells</p> Signup and view all the answers

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