Thyroxine is produced by which gland?
Answer and explanation
Correct answer: C. Thyroid gland
- Step 1: Iodine-containing thyroid hormones regulate basal metabolic rate, oxygen consumption, and somatic growth.
- Step 2: Follicular cells of the thyroid gland synthesize and secrete thyroxine (tetraiodothyronine, ) along with triiodothyronine () in response to pituitary TSH stimulation.
Answer
Thyroid gland.
Why not the others: 'Pituitary gland' secretes trophic regulatory hormones including Thyroid-Stimulating Hormone (TSH) and growth hormone; 'Adrenal gland' secretes cortisol, aldosterone, and epinephrine; 'Pancreas' secretes insulin and glucagon.
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