Question

Which radioactive isotope is used to determine the activity of thyroid gland ?

Answer 1

By the process of the radio iodine therapy Radioactive iodine (I-131), an isotope of iodine that emits radiation, is used for in checking the activity of the thyroid gland. . When a small dose of I-131 is swallowed, it is absorbed into the bloodstream in the gastrointestinal (GI) tract and concentrated from the blood by the thyroid gland. The thyroid glands level of activity is checked by observing its differential radiation.