What is the primary function of Thyroid-Stimulating Hormone (TSH) in the regulation of thyroid hormone production?

A Stimulation of thyroxine (T4) production ✓
B Inhibition of triiodothyronine (T3) production
C Regulation of thyroid gland growth
D Stimulation of adrenal hormone production

Explanation

TSH stimulates the thyroid gland to produce thyroxine (T4), which is then converted to triiodothyronine (T3) in peripheral tissues.

Mnemonic

TSH = Thyroid Stimulator, Helps

Source

Guyton and Hall Textbook of Medical Physiology
Hormones and Endocrine Markers Endocrinology Thyroid Hormones Medium MEDICAL Confidence: high