HOSA Pathophysiology Practice Test 2026 – Comprehensive Exam Prep

Question: 1 / 400

Thyrotropin primarily influences which organ in the body?

Adrenal glands

Liver

Thyroid gland

Thyrotropin, also known as thyroid-stimulating hormone (TSH), is produced by the pituitary gland and plays a crucial role in regulating the thyroid gland's activity. Its primary function is to stimulate the thyroid gland to produce and release thyroid hormones, such as thyroxine (T4) and triiodothyronine (T3), which are essential for regulating metabolism, energy production, and overall growth and development in the body.

When TSH binds to receptors on the thyroid gland, it triggers several biochemical processes that lead to the synthesis and secretion of these hormones, thereby influencing various metabolic processes throughout the body. Given this direct relationship between TSH and thyroid function, it is clear that the thyroid gland is the primary organ influenced by thyrotropin.

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Pancreas

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