10.07.2015 Views

Ramer · Alavi Nuclear Medicine Technology

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182 Radioactivity, Radiopharmacy, and Quality Assurance68) When 18 FDG is transported across most cell membranes:a. it diffuses back out of the cell in about 3 hours.b. it is trapped in the cellc. it is not further metabolizedd. b and ce. a and c69) Which of the following will not affect the distribution of18FDG on a PET image?a. intense physical activity the day before imagingb. serum insulin levelc. serum glucose leveld. bladder catheterizatione. all of the above affect distribution70) Normal FDG distribution would show the least activityin the:a. brainb. bonec. bladderd. myocardium71) All positron emitting isotopes are produced in acyclotron.a. Trueb. False72) 18 FDG-PET is not an important tool for:a. restaging of colorectal cancerb. monitoring response to treatment of non-Hodgkinslymphomac. detecting Helicobacter pylorid. imaging metastases in breast cancer

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