Which of the following radioactive isotopes is used in the detection of thyroid cancer?

Iodine-131

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Carbon-14

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Uranium-238

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Phosphorus-32

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Solution

The correct option is A Iodine-131
Iodine-131 is also called as radioiodine. It is an important radioisotope of iodine. Iodine-131 is also one of the most commonly used gamma-emitting radioactive industrial tracer. Iodine is an important component of thyroxine hormone. So, thyroid gland takes the I-131, which is then incorporated into the thyroxine.

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Which of the following radioactive isotopes are used for treating thyroid cancer?

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