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Across 1. SID for AP abdomen _____" 3. how many vertebrae are in the thoracic spine 5. SID for upright lateral sternum 7. grid frequency is the _______ of lead strips per inch 9. PA Axial (Haas) CR is angled ___ degrees 1 1?2" below EOP 11. how many vertebrae are in the lumbar region? 12. the upper margin of the film should be placed 1.5-2" above the spinous process of C__ for the PA oblique upper anterior ribs. 13. For the waters view: MML is perpendicular to the film & OML forms at ___ degree angle to the film. 15. AP axial (Towne) view of the skull uses what film size 17. CR for Lateral C-spine enters the neck at a point in line w/mastoid process __" inferior to the angle of the mandible 19. to examin facial bones using the Caldwell method, what change must you make from the cranial shot? 22. CR enters __" above the EAM for the lateral skull. 23. at birth, the sacrum is how many separate bones? 24. the xiphoid process is parallel to T___ 25. How many pairs of true ribs you got? 26. grid used for head units & chest radiography

Down 1. using the 15% rule to increase kVp & decrease mAs results in dose reduction by __% 2. film size for the AP/AP oblique posterior ribs 3. film size used for SMV 4. the atlas is C______ 6. 1 Sv= _______ rem 8. CR for the PA oblique C-Spine enters thru the body of C4 at ___ degrees caudad 10. CR for PA axial Caldwell is angled ___ degrees caudad thru nasion. 14. thoracic zygapophyseal joints are aligned at ___ degrees to the sagittal plane 15. How many pairs of ribs you got? 16. CR for AP Towne enters the skull 2.5-____" above the glabella 18. CR for the AP axial coccyx is angled __ degrees caudad entering between symphysis pubis & ASIS 20. the sternal angle is about __" superior to the midthoracic landmark 21. on average, the coccyx has how many bones? 23. about __% of the population has this massive, stocky build-hypersthenic 27. maximum exposure time that should be used for chest radiography: ___ second