Nuclear Medicine Exam Questions 337 Questions And Correct Detailed Answers With Rationales (100% Correct And Verified Answers) Already Graded A+

The advantages of multiple heads in a SPECT system are an increase in ________ and a decrease in _________? {Ans: count-rate sensitivity; imaging time}Before administration, every radiopharmaceutical must be assayed in a _________? {Ans: Dose Calibrator}True or False: In the United States, the Nuclear Regulatory Commission (NRC) regulates reactor-produced by-products, whereas the individual states regulate cyclotron-produced radioactive materials, including F18 FDG {Ans: True}How are positron-emitting radionuclides used for imaging? {Ans: They are use in PET imaging, where the coincident annihilation photons are simultaneously detected}What are the predominant photons emitted by the decay of Tl201? {Ans: Mercury X-rays of 69-71 keV and 80 keV}What does the term "breakthrough" mean when applied to a radionuclide generator system? {Ans: A "breakthrough" occurs when some parent nuclide elutes off the column along with a daughter nuclide}