Part B - Module 16.2 The Hypothalamus and the Pituitary Gland Dr. Young describe

Question

Part B - Module 16.2 The Hypothalamus and the Pituitary Gland Dr. Young described how several endocrine organs were anatomically linked to the central nervous system. The brain contains the hypothalamus and the pituitary gland, which work together to regulate many bodily functions, including hunger and thirst. Both of these were issues that Felix had discussed with the dietician and gerontologist at GAB clinic previously These endocrine structures also play a vital role in the regulation of other endocrine organ:s found throughout the body Dr. Young explains that the hypothalamus and pituitary gland can regulate the activities of other endocrine organs. Predict the response of the hypothalamus and pituitary gland if the blood level of thyroid hormones decreases The secretion of thyrotropin-releasing hormone (TRH) is inhibited, which then inhibits thyroid hormones from the thyroid gland The secretion of thyrotropin-releasing hormone (TRH) increases, which stimulates the O the secretion of thyroid-stimulating hormone (TSH) that stimulates the release of O secretion of thyroid-stimulating hormone (TSH) that in turn stimulates the thyroid gland to secrete more thyroid hormones The secretion of thyrotropin-releasing hormone (TRH) increases, which stimulates the Osecretion of thyroid-stimulating hormone (TSH) that inhibits the release of thyroid hormones from the thyroid gland The secretion of thyrotropin-releasing hormone (TRH) increases, which inhibits the secretion of thyroid-stimulating hormone (TSH) that inhibits the release of thyroid hormones from the thyroid gland Submit My Answers Give Up

Explanation / Answer

TRH (Thyrotropin releasing hormone) is released by hypothalamus that acts on pituitary gland to secrete more TSH. TSH acts on and stimulates thyroid gland to produce thyroid hormones, T3 and T4.

When blood level of thyroid hormones decreases, it stimulates TSH production by pituitary gland, which inturn is stimulated by TRH released from hypothalamus.

Option B:

Secretion of TRH increases----TRH stimulates secretion of TSH--- TSH stimulates thyroid gland to secrete more thyroid hormones.

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