What is the primary function of Thyroid Stimulating Hormone (TSH) in the human body?

A To stimulate the production of thyroxine (T4) and triiodothyronine (T3) ✓
B To inhibit the production of thyroxine (T4) and triiodothyronine (T3)
C To regulate the production of adrenaline and noradrenaline
D To stimulate the production of insulin and glucagon

Explanation

TSH is a hormone produced by the pituitary gland that stimulates the thyroid gland to produce thyroxine (T4) and triiodothyronine (T3), which are essential for regulating metabolism.

Mnemonic

TSH = Thyroid Stimulator, Helps

Source

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