Final answer:
Radioactive Iodine Uptake Test (RAIU) is a procedure utilizing a radioactive iodine tracer to assess iodine uptake in the thyroid, aiding in diagnosing thyroid conditions like Graves' disease.
Explanation:
Radioactive Iodine Uptake Test (RAIU) is a procedure that uses a radioactive iodine tracer to measure the uptake of iodine in the thyroid. A small amount of radioactive iodine is administered, and a gamma probe is used to measure how much radioactive iodine the thyroid takes up, providing insights into thyroid function and detecting conditions like Graves' disease or thyroid nodules.
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