Thyroid-stimulating hormone (TSH)

Question 1

Also known as thyrotropin is a peptide hormone synthesized and secreted by thyrotrope cells in the anterior pituitary gland which regulates the endocrine function of the thyroid gland.

Answer 1

Thyroid-stimulating hormone (TSH)

Question 2

TSH stimulates the thyroid gland to secrete the hormones

Answer 2

thyroxine (T4) and triiodothyronine (T3)

Question 3

TSH production is controlled by a _______________________, which is manufactured in the hypothalamus and transported to the anterior pituitary gland, where it increases TSH production and release. ______________ is also produced by the hypothalamus, and has an opposite effect on the pituitary production of TSH, decreasing or inhibiting its release.

Answer 3

Thyrotropin Releasing Hormone, (TRH); Somatostatin

Question 4

TSH levels are tested in the blood of patients suspected of suffering from ________________________________ of thyroid hormone.

Answer 4

excess (hyperthyroidism), or deficiency (hypothyroidism)

Question 5

Generally, a standard reference range for TSH for adults is between ________ uIU/mL (equivalent to mIU/L), but values vary slightly among labs.

Answer 5

0.4 and 5.0