Which natural hormone is used in medical treatment?

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Multiple Choice

Which natural hormone is used in medical treatment?

Explanation:
Hormones are chemical messengers released into the bloodstream to act on distant targets. Thyroid hormone, produced by the thyroid gland, is a natural hormone used in medical treatment as replacement therapy when the body doesn’t produce enough of it. Replacing thyroid hormone helps restore normal metabolism, energy, and development. This distinguishes it from the other options: vaccines stimulate the immune system, adenosine is a nucleoside with signaling roles rather than a hormone used for replacement, and anistreplase is a thrombolytic drug that dissolves clots, not a hormone.

Hormones are chemical messengers released into the bloodstream to act on distant targets. Thyroid hormone, produced by the thyroid gland, is a natural hormone used in medical treatment as replacement therapy when the body doesn’t produce enough of it. Replacing thyroid hormone helps restore normal metabolism, energy, and development. This distinguishes it from the other options: vaccines stimulate the immune system, adenosine is a nucleoside with signaling roles rather than a hormone used for replacement, and anistreplase is a thrombolytic drug that dissolves clots, not a hormone.

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