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Skull Positioning Quiz

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1. What is most importantly demonstrated in the PA axial orbits?




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2. Describe the patients position in the Waters orbits?




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3. In the PA Rhese the patient is prone and the head is rotated so MSP forms a _____ from the IR.




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4. In the Lateral orbits the central ray is ______.




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5. Describe patients position and positioning lines used in Lateral orbits projection.




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6. In the Waters orbits, the OML is perpendicular and the MML forms a 37 degree angle to the table. T or F




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7. What is the central ray direction and entrance point in the Rhese PA orbits?




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8. In the PA axial orbits the petrous ridges are located ______.




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9. What are the projections done for orbits?




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10. Rhese PA parieto orbital oblique




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11. We do the affected side




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12. Located below the maxillary sinuses




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13. Perpendicular; acanthion




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14. To see a blow out fracture




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15. petrous ridges below the maxillary sinuses, blowout orbital fractures, no rotation




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16. Central ray is angled 20-25 degrees caudal (30 degrees merrils) and exits at the level of the inferior margin of the orbit




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17. patient is prone or upright, Forehead and nose resting on table, OML perpendicular, MSP perpendicular




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18. Orbital roofs superimposed





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