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Questions and Answers
Thyroid peroxidase enzyme catalyzes the coupling of iodine to form T3 and T4.
Thyroid peroxidase enzyme catalyzes the coupling of iodine to form T3 and T4.
False (B)
T3 is 15 times more potent than T4.
T3 is 15 times more potent than T4.
False (B)
Thyroid hormones increase lipogenesis and cholesterol levels in blood.
Thyroid hormones increase lipogenesis and cholesterol levels in blood.
False (B)
Hashimoto's disease is a cause of primary hypothyroidism.
Hashimoto's disease is a cause of primary hypothyroidism.
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Iodine deficiency is a common cause of secondary hypothyroidism.
Iodine deficiency is a common cause of secondary hypothyroidism.
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T4 is converted to T3 in the cell nucleus.
T4 is converted to T3 in the cell nucleus.
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Thyroid-stimulating hormone (TSH) is synthesized by the hypothalamus.
Thyroid-stimulating hormone (TSH) is synthesized by the hypothalamus.
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High levels of T4 and T3 in the blood stimulate the secretion of TRH and TSH.
High levels of T4 and T3 in the blood stimulate the secretion of TRH and TSH.
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The thyroid gland secretes two hormones: T4 and insulin.
The thyroid gland secretes two hormones: T4 and insulin.
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Thyroglobulin is synthesized in the smooth endoplasmic reticulum of follicular cells.
Thyroglobulin is synthesized in the smooth endoplasmic reticulum of follicular cells.
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The thyroid gland facilitates normal growth and maturation of tissues by maintaining the optimal level of metabolism required for their normal function.
The thyroid gland facilitates normal growth and maturation of tissues by maintaining the optimal level of metabolism required for their normal function.
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The thyroid gland secretes a hormone that increases serum calcium levels.
The thyroid gland secretes a hormone that increases serum calcium levels.
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