WITH CORRECT SOLUTIONS
An electron - ANSWER-Two photons are emitted in an annihilation event when a
positron collides with
1.83 hours - ANSWER-The half-life of 18-F is
Has increased uptake in inflammatory cells - ANSWER-18-FDG
Gamma rays - ANSWER-The PET scanner detects
Blood glucose level - ANSWER-For PET tumor imaging, the patient's __________
should be checked prior to FDG administration.
Determining whether a newly diagnosed lung cancer patient has brain metastases -
ANSWER-Which of the following is not an indication for an FDG scan?
Sickle cell anemia - ANSWER-Which is NOT a MAIN risk factor for giving intravenous
contrast?
Radiation necrosis - ANSWER-FDG is not taken up in which of the following processes?
Insulin - ANSWER-Cardiac cells are very dependent on ______for FDG uptake.
It does not go through glycolysis - ANSWER-FDG stays within cells for imaging
because
Have the patient walk around for 15-30 minutes - ANSWER-If an FDG oncology
patient's BGL = 323 and he has complied with all prep instructions, the technologist may
be instructed to do which of the following?
Provides attenuation correction for the PET scan - ANSWER-The CT portion of the
PET/CT scan
Reduce the number of random events acquired - ANSWER-Time of flight scanners
Exploits the fact that cancer cells are hypermetabolic - ANSWER-FDG
Diabetes medication - ANSWER-What is not allowed 4-6 hours before a PET scan?