Which of the following medicines is a thyroid hormone replacement?

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Multiple Choice

Which of the following medicines is a thyroid hormone replacement?

Explanation:
Thyroid hormone replacement is used to restore normal metabolic function when the body lacks thyroid hormone. Levothyroxine is a synthetic form of thyroxine (T4) that the body converts to the active T3 form, acting on receptors to upregulate metabolism, energy use, and overall physiology. It is the standard long-term treatment for hypothyroidism, usually taken daily with dose adjustments guided by TSH levels and clinical response. The other medicines are not thyroid hormones: one is a statin for lowering cholesterol, another is a calcium channel blocker for blood pressure/angina, and the last is an antihistamine for allergies.

Thyroid hormone replacement is used to restore normal metabolic function when the body lacks thyroid hormone. Levothyroxine is a synthetic form of thyroxine (T4) that the body converts to the active T3 form, acting on receptors to upregulate metabolism, energy use, and overall physiology. It is the standard long-term treatment for hypothyroidism, usually taken daily with dose adjustments guided by TSH levels and clinical response. The other medicines are not thyroid hormones: one is a statin for lowering cholesterol, another is a calcium channel blocker for blood pressure/angina, and the last is an antihistamine for allergies.

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