Ramer · Alavi Nuclear Medicine Technology

14) The philosophy of the ALARA program is to keep theradiation dose:a. as low as recently authorizedb. as long as reasonably attainedc. as long as reasonably acceptabled. as low as reasonably achievable15) All of the following are critical factors in keepingradiation exposure to a minimum except:a. time spent near the a radioactive sourceb. geometry of the container holding the sourceof radiationc. distance from the source of radiationd. shielding of the radioactive source3 Radiation Safety 2316) Gaseous radiopharmaceuticals may only be used inrooms that:a. have at least one windowb. contain an oxygen supplyc. are at a positive pressure compared to surroundingroomsd. are at a negative pressure compared to surroundingrooms17) If the exposure rate at 4 meters from a radioactivesource is 5 mR/hr, what will the exposure rate be at3 meters?a. 2.8 mR/hrb. 6.5 mR/hrc. 7.4 mR/hrd. 8.9 mR/hr