A 76-year-old female patient is seen for an enlarged mass on the front of her neck. She is diagnosed with a goiter. Based on the nurse's understanding of this condition, the nurse knows that a simple goiter is most likely caused by:

 

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Correct

- lack of iodine in the diet.

- thyroid cancer.

- an inability to process salt in the diet.

- a chromosomal abnormality.

Rationale

A goiter occurs as an enlargement of the thyroid gland; it occurs when the body produces too much or too little thyroid hormone. A goiter may also develop from lack of iodine in the diet, which impacts thyroid hormone production. Iodine deficiency is much more rare as a cause of goiter because of iodized salt in the diet.

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