As fluorine-18 decays, what isotope does it form?
A. Fluorine-19.
B. Oxygen-18.
C. Boron-11.
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A radiopharmaceutical with poor radiochemical purity has:
A. a) Undesired chemical compounds present.
B. b) Free or unlabeled radioisotope present.
C. c) Undesired radioisotopes present.
Which of the following analytical techniques is used for testing the radionuclidic purity of a radiopharmaceutical?
A. a) Gamma Spectroscopy.
B. b) High Performance Liquid Chromatograpy (HPLC).
C. c) Thin Layer Chromatography (TLC).
Microbial testing is performed to ensure the radiopharmaceutical is:
A. a) stable.
B. b) chemically pure.
C. c) sterile and pyrogen free.
Quality control is a mechanism to ensure that the radiopharmaceutical:
A. a) improves imaging quality.
B. b) improves the diagnosis of disease non-invasively.
C. c) is safe to administer to humans, and for its intended use.
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