Ramer · Alavi Nuclear Medicine Technology

566 Skeletal System Scintigraphy19) By what mechanism do diphosphonates localize in thebone?a. capillary blockadeb. active transportc. ion exchanged. phagocytosis20) Which of the following describe a pediatric bone scan?a. increased uptake in long bonesb. decreased uptake along epiphyseal platesc. increased uptake along epiphyseal platesd. overall decreased uptake in bone21) The first phase of a three phase bone scan is bestperformed by:a. bolus injection, followed by dynamic 2 second imagesfor 60 secondsb. bolus injection followed by dynamic 20 secondimages for 3 minutesc. bolus injection followed by a static 500–600 K countimaged. bolus injection followed by dynamic 1 second imagesfor 30 seconds22) What pharmaceuticals may be used for bone marrowimaging:a. 99m Tc albumin colloidb. 99m Tc sulfur colloidc. 99m Tc PYPd. a and be. all of the above