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Ramer · Alavi Nuclear Medicine Technology

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243 Radiation Safety18) If the exposure rate at 10 meters from a radioactivesource is 15 mR/hr, what will the exposure rate be at25 meters?a. 2.4 mR/hrb. 6 mR/hrc. 3 mR/hrd. 10 mR/hr19) A spill of 99m Tc increases the exposure rate in a roomfrom 1.7 mR/hr to 3.15 mR/hr. The room is posted witha sign reading “Caution-Radioactive Materials”. Whatwould be the ideal solution?a. change the sign to one reading “Caution-RadiationArea”b. call the NRCc. decontaminate the floor with water and cleanserd. place absorbent paper over the spill and close theroom until the activity has decayed20) A technologist has 500 mrem registered on his ringbadge in one month. What should be done to decreaseexposure in the future?a. use lead pigs and syringe shields when preparingradiopharmaceuticalsb. have another technologist elute the generatorc. wear lead apronsd. all of the above21) OSHA requires that personnel exposure records beprovided to employees:a. monthlyb. quarterlyc. annuallyd. biannually

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