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MerillsCh. 21 Facial
Test Question
| Question | Answer |
|---|---|
| 1. The parietoacanthial projection is called the | waters method |
| 2. For the waters method the OML is at what angle tot eh IR | 37 degrees |
| 3. Which of the following is centered to the IR for the waters method | acanthion |
| 4. Which facial bones are shown on the waters method | orbits, maxillae, zygomatic arches (ALL) |
| 5. The waters method is often modified so that the OML line is adjusted to what angel | 55* |
| 6. Which of the following is perpendicular to the IR for the reverse waters method | MML |
| 7. CR angle for reverse waters | perpendicular |
| 8. What is the CR parallel to for the reverse waters | MML |
| 9. For the SMV of the zygo arches, the CR is directed perp to the | IOML |
| 10. Both zygo arches can be shown on one projections for which of the following projections | SMV and AP axial (ONLY) |
| 11. For the tangential zygo arches the top of the head is tilted how many degrees | 15 degrees away from the affected side |
| 12. For the tangential zygo arches, the CR is directed | perp to the IOML |
| 13. Which line is perp to the IR for the AP axial projection of the zygo arches | OML |
| 14. Where is the IR centered for the AP axial zygo arches | mandible angles |
| 15. What is the CR angel for the AP axial zygo arches | 30 degrees caudad |
| 16. Which of the following is centered to the IR for the PA mandibular rami | tip of the nose |
| 17. Which projections show the medial or lateral interspace of the mandibular rami | PA and PA axial |
| 18. CR angle for PA axial mandibular rami | 20-25 degrees cephalad |
| 19. What is the CR angle for the projections of the axiolateral mandible | 25 degrees cephalad |
| 20. Which of the following is perp to the IR for that AP axial TMJ | OML |
| 21. CR angle for AP axial TMJ | 35 degrees caudad |
| 22. The midsagittal plane is rotated how many degrees for the axiolateral oblique TMJ | 15 degrees toward IR |
| 23. Which line is parallel to the IR for the axiolateral oblique TMJ | AML |
| 24. CR angle for the axiolateral oblique TMJ | 15 degrees |
| 25. Which part of the patients face is touching the bucky for the waters method | chin |
| 26. Where is CR centered for the lateral projection of the nasal bones | 1/2 in distal to nasion |
| 27. At which level is the CR placed for the tangential zygo arch | 1 in posterior to the outer canthus |
| 28. Which reference line is perpendicular to the IR for the PA and PA Axial mandibular rami | OML |
| 29. The axiolateral oblique projection for the mandible, how is the head positioned for the ramus of the mandible | true lateral |
| 30. The axiolateral oblique projection for the mandible, how is the head positioned for the body of the mandible | 30 degrees towards the IR |
| 31. The axiolateral oblique projection for the mandible, how is the head positioned for the symphysis of the mandible | 45 degrees toward the IR |
| 32. Which of the following best shows the condyle and neck of the mandible | axiolateral |
| 33. Which of the lines is placed parallel to the IR for the SMV zygo arches | IOML |
| 34. Which of the following is true for the lateral nasal bones | ALL OF THE ABOVE |