What does TSH stimulate?

What does TSH stimulate?

• A. Stimulates Pancreas to Release Insulin
• B. Inhibits Adrenal Cortex
• C. Stimulates Pineal Gland
• D. Stimulates Thyroid to Release Hormones

Answer: (D)

TSH stimulates the thyroid gland to release thyroid hormones. It’s released by the anterior pituitary in response to thyrotropin-releasing hormone from the hypothalamus, and it binds to receptors on thyroid follicular cells to boost synthesis and secretion of T3 and T4. These hormones set the body's metabolic rate and regulate many systems, with thyroid hormone levels feeding back to suppress further TSH and TRH production. TSH does not stimulate the pancreas to release insulin, inhibit the adrenal cortex, or stimulate the pineal gland, so those actions aren’t attributable to TSH.

TSH stimulates the thyroid gland to release thyroid hormones. It’s released by the anterior pituitary in response to thyrotropin-releasing hormone from the hypothalamus, and it binds to receptors on thyroid follicular cells to boost synthesis and secretion of T3 and T4. These hormones set the body's metabolic rate and regulate many systems, with thyroid hormone levels feeding back to suppress further TSH and TRH production. TSH does not stimulate the pancreas to release insulin, inhibit the adrenal cortex, or stimulate the pineal gland, so those actions aren’t attributable to TSH.