The Hormones Secreted by the thyroid gland are?

  1. Epinephrine
  2. Thyroxine only
  3. Thyroxine and Triiodothyronine
  4. Parathyroid hormone

Answer

3. Thyroxine and Triiodothyronine

The Hormones Secreted by the thyroid gland are Tetraiodothyronine or thyroxine (T4) and Triiodothyronine (T3). These hormones are secreted by follicular cells of the thyroid gland. Iodine is essential for the normal rate of hormone synthesis by the thyroid.

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