A deficiency of what trace mineral can lead to the formation of a goiter, or enlarged thyroid gland? A. Iodine B. Zinc C. Fluorine D. Copper

A. Iodine

Explanation:

A goiter is an enlargement of the thyroid gland, a gland found at the bottom of the neck. Goiters are typically harmless, but can result in a cough or difficulty swallowing and/or breathing.

They can be caused by many different things. A major cause is from a deficiency, or lack of iodine a trace mineral that is vital for the producing thyroid hormones. Other causes include inflammation, pregnancy, cancer in the thyroid, autoimmune diseased and more.

Therefore, the correct answer is A: iodine.

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