Question

Which of the following is correct reharding T4 and TSH levels in the diagnosis of hyperthyroidism?

a.

T4 levels are low and TSH levels are high

b.

T4 levels are low and TSH levels are normal

c.

T4 levels are high and TSH levels are low

d.

T4 levels are high and TSH levels are high

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Answer: (c).T4 levels are high and TSH levels are low Explanation:In hyperthyroidism, the thyroid gland produces too much T4, leading to high levels of T4 in the blood. Because T4 helps regulate TSH production, high levels of T4 lead to decreased levels of TSH. Therefore, the typical diagnostic pattern in hyperthyroidism is high T4 and low TSH levels.

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Q. Which of the following is correct reharding T4 and TSH levels in the diagnosis of hyperthyroidism?
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