Focused Nuclear Medicine Study Set Exam Questions (325 Terms) With Verified Definitions Updated 2024

Breast Attenuation Myocardial Artifact (Supine/Prone) {Ans: }What is I-123 iobenguane (MIBG) used for? {Ans: (AdreView) imaging neuroendocrine/adrenal tumors, sympathetic nervous system; consider stopping hypertensive drugs}When measured using the NEMA standard, modern PET scanners have a resolution slightly better than ____ in the center of the detector ring {Ans: 5-mm}What are the maximum positron energies, positron ranges, and half-lives of F-18, C-11, O-15, N-13, Ga-68, and Rb-82? {Ans: 0.6 MeV, 0.63 MeV, 0.74 MeV, 1.2 MeV, 1.9 MeV, 3.2 MeV (FCONGR) 110 m, 68 m, 20 m, 10 m, 2 m, 1.4 m (FGCNO) 2.4 mm, 4.2 mm, 5.4 mm, 8.2 mm, 8.4 mm, 17 mm (FCNGOR)}Cardiac Output {Ans: the blood pumped out of the ventricle after 1 min; CO = SV x HR}Decay scheme/spectrum of Tc-99m Diagram {Ans: A) caused by total absorption of 140-keV γ. B) escape peak caused by 140-keV gammas that interact w/ the crystal by PE but with/ resultant iodine K-shell x-rays (28-33 keV) escaping crystal. C) caused by the absorption of lead K-shell x-rays from shield.}