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Across 2. acronym of chronic obstructive pulmonary disease 3. always administer MAA in this position 6. radiopharmaceutical used for ventilation scanning 9. the site of gas exchange in the lungs 10. acronym for hepatobiliary imaging 11. complete blockage of the cystic duct 13. the amount of positioning views to image the lungs 17. the amount of millicuries administered using Tc DTPA aerosol 18. this organ has two lobes because of the heart 19. duodenum, jujenum, ileum make up this organ

Down 1. air that is inhaled or exhaled during normal breathing 2. partial cystic duct obstruction 4. method of localization for perfusion lung study 5. radiopharmaceutical to image gallbladder 7. a normal perfusion scan eliminates this diagnosis 8. drug that causes the sphincter of Oddi to contract 12. agent used to image gallbladder 14. (max GB cts - BKG) - (Min GB cts-BKG)/ (Max GB cts-BKG ) X 100 15. synonymous with mebrofenin 16. causes the gallbladder to contract