Which One of the Following Statements Is Correct Regarding Reverse

question 11

Multiple Choice

Which one of the following statements is correct regarding reverse T₃ (rT₃) ?

• A) rT₃ is physiologically active,but less so than T₃.
• B) rT₃ is formed in the blood by central deiodination of T₄.
• C) rT₃ is decreased in patients with the "euthyroid sick syndrome."
• D) Renal failure is associated with elevated rT₃ concentrations.

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