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www.RTstudents.com Facial May 18, 2004 1. All facial bone projections must be done upright. A) True B) False 2. The petrous ridges projected below the maxillary sinuses is a criteria for an acceptable waters method. A) True B) False 3. Which is not a facial bone? A) B) C) D) ethmoid vomer lacrimal maxilla 4. A lateral facial bone projection should be centered 2 inches above the EAM. A) True B) False 5. The caldwell method for the facial bones has a CR angled 15 degrees cephalic. A) True B) False 6. The acanthion is located on the maxillary bones. A) True B) False 7. Which is true about the lateral facial bone position? A) B) C) D) CR 2 inches above EAM IOML parallel with axias of the image receptor interpupillary line paralell with image receptor all the above Help build an online radiology directory at www.xraylinks.com Page 1 www.RTstudents.com Facial May 18, 2004 8. A tangential projection is used to demonstrate what? A) B) C) D) nasal bones zygomas orbits all the above 9. Which of the following facial bones are not paired? A) B) C) D) vomer zygomatic lacrimal palatine 10. A variety on the towne method can be used to show the zygomas. A) True B) False 11. To demonstrate the mandibular body with an axiolateral, rotate the patient's head 45 degrees. A) True B) False 12. The CR location for the nasal bones is: A) B) C) D) an inch superior to nasion half inch superior to nasion half inch distal to nasion half inch inferior to nasion 13. The modified waters method requires the OML to be at _____ degrees. A) B) C) D) 30 37 53 55 Help build an online radiology directory at www.xraylinks.com Page 2 www.RTstudents.com Facial May 18, 2004 14. For the waters method, tilt the patient's head _____ degrees. A) B) C) D) 30 35 37 53 15. The nasal septum is created by the vomer bone. A) True B) False 16. A waters projection is best done at 72 inches SID. A) True B) False 17. The orbit is best demonstrated with what position? A) B) C) D) haas townes caldwell rhese 18. Which position requires a 53 degree patient angle. A) B) C) D) haas townes waters rhese 19. A acanthioparietal projection is done with the patient supine. A) True B) False 20. The waters method is also known as a _______ projection. A) parietoacanthial B) parietomental Help build an online radiology directory at www.xraylinks.com Page 3 www.RTstudents.com Facial May 18, 2004 C) parietoglabellar D) parietonasal Help build an online radiology directory at www.xraylinks.com Page 4 www.RTstudents.com Facial May 18, 2004 Answer Key -- Facial 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. B A A B B A B B A A B C D C A B D D A A False True ethmoid False False True IOML parallel with axias of the image receptor zygomas vomer True False half inch distal to nasion 55 37 True False rhese rhese True parietoacanthial Help build an online radiology directory at www.xraylinks.com Page 5