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The application of radionuclides to help diagnose and treat a wide variety of
diseases and disorders as a study of the functions of organ systems
Nuclear medicine
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Decay product produced by a radioactive nuclide.
Daughter
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Measure of radioactive decay stated as the decay rate of 1 disintegration per second
Becquerel (Bq)
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Measure of radioactive decay equaling 3.7 x 10 (10) disintegrations per second
Curie (Ci)
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Device used to produce neutron-poor radionuclides; apparatus that accelerates atomic particles, allowing for the production of certain radionuclides
Cyclotron
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Radioactive disintegration of a nucleus
Decay
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One of a group of nuclides of the same element (same Z number) having the same
number of protons in the nucleus, but differing in number of neutrons, resulting in different values of A
Isotope
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one millionth of a curie
Microcurie (uCi)
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Any one of the more than 1000 species of atomscharacterized by the number of protons and number of neutrons in the nucleus
Nuclide
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Giving off radiant energy in the form of alpha,
beta, or gamma rays by the breaking up of atoms
Radioactive
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Any isotope that is unstable, thus undergoing decay with emission of characteristic radiation
Radioisotope
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chemical compound that disintegrates causing the emission of electromagnetic radiation and/or particulate radiation
Radionuclide
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Any two or more forms of the same element
isotope
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Any nucleus plus its orbital electrons
nuclide
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Device that generates an image of an organ by
detecting radioactivity within that organ and recording it on film
Rectolinear scanner
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Who developed the first nuclear (rectolinear) scanner?
Benedict Cassen, PhD in 1951
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Who is credited with the discovery of radioactivity?
Henri Becquerel, just 2 months after Roentgen discovered x-rays
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