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Which consequence results when iodine-131 accumulates in a thyroid?

A)Radioactive beta emission decreases cellularity
B)Iodine uptake saturates thyroid hormones
C)Tissue damage through radioactive decay
D)Alpha particles induce rapid proliferation

💡 Explanation

Tissue damage follows iodine-131 accumulation because radioactive decay produces energetic particles which ionize the cells. Therefore, cellular dysfunction happens rather than beta decay, leading to a saturating uptake affecting short term hormone levels.

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