Multiple choice

Which one of the following glands in human body enlarges due to goiter?

  1. Adrenal cortex

  2. Adrenal medulla

  3. Pituitary

  4. Thyroid
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D Correct answer
Explanation

Goiter is the abnormal enlargement of the thyroid gland caused by iodine deficiency, which leads to insufficient thyroid hormone production. The thyroid gland attempts to compensate by growing larger. The adrenal cortex, adrenal medulla, and pituitary gland are not affected by goiter.

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