Ramer · Alavi Nuclear Medicine Technology

9 Respiratory System Scintigraphy 9122) A perfusion lung scan shows a cold defect in the rightbase. If the ventilation study for the same patientis normal, what is the most probable explanation forthe defect?a. COPDb. pulmonary embolismc. attenuation from the heartd. pacemaker23) If a 5,000,000 particle MAA kit is reconstitutedwith 70 mCi of 99m Tc in 4 ml, how many particles willbe in 2 ml of the reconstituted kit?a. 125,000b. 800,000c. 1,250,000d. 2,500,00024) Regarding the reconstituted kit in question 23,approximately how many particles will be administeredto a patient who receives a 4 mCi dose?a. 167,500b. 575,000c. 285,700d. 329,00025) A patient with pulmonary embolism can have a negativechest x-ray.a. trueb. false26) A MAA kit has an average of 8,000,000 particles, andis reconstituted using 90 mCi of 99m Tc in 5 ml at 8:00a.m. Can the kit be used at 2 p.m. without injecting thepatient with more than 800,000 particles?a. yesb. noc. cannot be determined from the information given