Question

What is the most common cause of hyperthyroidism?

a.

Graves' disease

b.

Toxic multi-nodular goiter

c.

Toxic nodule

d.

Excessive iodine ingestion

Posted under IC22 Life Insurance Underwriting

Answer: (a).Graves' disease Explanation:Graves' disease is the most common cause of hyperthyroidism. It is an "autoimmune", or "self-attacking self' disease. This means that proteins (antibodies) produced by our own white blood cells overstimulate the thyroid gland to produce too much thyroid hormone. The antibody which causes this is called TSH receptor antibody, or TRAb.

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Q. What is the most common cause of hyperthyroidism?
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