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Skull & Cranial Projection - Lateral Positioning Quiz
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Skull & Cranial Projection - Lateral Positioning Quiz

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@ThoughtfulArgon

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Questions and Answers

In the Submentovertex (SMV) projection, where should the CR be centered?

  • 4 cm superior to the mandibular symphysis
  • Perpendicular to the IOML
  • At the level of the gonions
  • Midway between the gonions (correct)
  • Which projection is an alternative view for patients who cannot flex their necks?

  • Submentovertex (SMV)
  • PA axial 15⁰ / 30⁰ / 0⁰
  • PA axial 0⁰
  • PA axial (Haas Method) (correct)
  • In the PA axial (Haas Method) projection, what is the angle of the CR with respect to the OML?

  • 0⁰
  • 15⁰
  • 30⁰
  • 25⁰ (correct)
  • For which kind of pathology is the PA axial 0⁰ projection specifically intended?

    <p>Inner temporal bone structures</p> Signup and view all the answers

    What is the specific instruction for patient positioning in the PA axial 15⁰ / 30⁰ / 0⁰ projection?

    <p>Patient's head on vertex</p> Signup and view all the answers

    How should the patient's neck be positioned in the Submentovertex (SMV) projection?

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

    What is a key difference between the PA axial (Haas Method) and the PA axial 0⁰ projections?

    <p>Angle of CR</p> Signup and view all the answers

    In which projection should the patient's nose and forehead be raised against the table/Bucky?

    <p>'PA axial (Haas Method)'</p> Signup and view all the answers

    What is the correct CR angle for the AP axial (modified Towne method) projection of the TMJs?

    <p>35⁰ caudad from OML</p> Signup and view all the answers

    What is the purpose of the modified Towne method projection in imaging the TMJs?

    <p>To highlight the mandibular condyles</p> Signup and view all the answers

    In the AP axial (modified Towne method) projection, where should the CR be directed in relation to the level of the TMJs?

    <p>2.5 cm anterior to TMJs</p> Signup and view all the answers

    What instructions are given for patient positioning in the AP axial (modified Towne method) projection?

    <p>OML perpendicular to IR</p> Signup and view all the answers

    Which textbook is listed as a main reference for Facial Bones Projection – TMJs - AP axial (modified Towne method)?

    <p>Textbook of Radiographic Positioning and Related Anatomy</p> Signup and view all the answers

    What is the recommended kV range for the AP axial (modified Towne method) projection?

    <p>70-80 kV</p> Signup and view all the answers

    Which part of the anatomy should be visualized in a successful AP axial (modified Towne method) projection?

    <p><strong>Condyloid processes of mandible</strong></p> Signup and view all the answers

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