5 ✓ 4. Two radioisotopes of iodine are used in nuclear medicine. lodine-123 is a gamma emitter with a half-life of just

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5 4 Two Radioisotopes Of Iodine Are Used In Nuclear Medicine Lodine 123 Is A Gamma Emitter With A Half Life Of Just 1 (39.36 KiB) Viewed 53 times

5 ✓ 4. Two radioisotopes of iodine are used in nuclear medicine. lodine-123 is a gamma emitter with a half-life of just over 13 hours. lodine-131 is a beta and gamma emitter with a half-life of approximately 8 days. The thyroid gland accumulates iodine. One of the above isotopes is used for imaging and diagnosis of thyroid disorders. The other is used for treatment of cancer of the thyroid gland. Which isotope is used for which purpose and why? ✓ 5. Technetium-99 is a gamma emitter with a half-life of 6 hours. It is used for imaging of heart function. A patient receives an injection containing 12 mg of Technetium-99 at 6:00a.m. on Tuesday. How much remains at 9:00 p.m. the next day. ✓ 6. Given the information you gathered in the pre-lab, how long would it take Cesium-137 to become same to dispose of (show your calculation)?