Which of the following is a not a SPECT radioisotope:
A. Gallium-68
B. Indium-111
C. Iodine-123
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How does technetium-99m decay?
A. Electron capture
B. Isomeric transformation
C. Alpha decay
Molybdenum-99 is used as the parent radioisotope for which generator?
A. a) Gallium-68
B. b) Technetium-99m
C. c) Fluorine-18
Using a cyclotron, what radioisotope is produced from irradiating oxygen-18 water with protons?
A. a) Fluorine-18
B. b) Nitrogen-13
C. c) Carbon-11
Each element is defined by its Atomic Number (Z) and Mass Number (A). The Mass Number is:
A. a) The element’s number of protons.
B. b) The element’s number of neutrons.
C. c) The sum of the element’s number of protons and neutrons.