Which is given intravenously for nuclear medicine imaging of the thyroid gland?
A) indium-111
B) iodine-123
C) gallium-67
D) krypton-81m
B
Explanation: A) This is not used in imaging of the thyroid gland.
B) Correct! The thyroid gland takes up iodine to make thyroid hormones. When it takes up iodine-123, the radioactivity produces an image of the thyroid gland.
C) This is not used in imaging of the thyroid gland.
D) This is not used in imaging of the thyroid gland.
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Fill in the blanks with the correct words.
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