Ramer · Alavi Nuclear Medicine Technology

546 Skeletal System Scintigraphy10) What could be the cause of generalized, diffuse activityin the abdomen on a bone scan?a. free pertechnetateb. malignant ascitesc. pacemakerd. bone cyst11) What timing protocol best describes a 4 phase bonescan?a. during injection, immediately following injection,2–4 hours and 18–24 hoursb. during injection, 2–4 hours, 24 hours, and 48 hoursc. during injection, immediately following injection,2–4 hours, and 6 hoursd. none of the above12) A focal hot spot near the left femur shows up on a bonescan. What is/are the best way/ways to proceed?a. change to pinhole collimator and imageb. perform SPECT imagingc. have patient remove clothing from that aread. ask patient to wash the skin in that area with soapand watere. c and d13) A bone scan showing relatively uniformly increasedskeletal uptake of radiopharmaceutical with almostabsent renal and bladder activity is usually referredto as a:a. flare phenomenonb. superscanc. renal failured. suprascan