An elderly hypothyroid patient with chronic gastrointestinal complaints is being treated with triiodothyronine (T3) rather than thyroxine replacement because the former drug has better gastrointestinal absorption. When compared with no medication, triiodothyronine should have which of the following effects on serum levels of TSH, T3, and T4?
An elderly hypothyroid patient with chronic gastrointestinal complaints is being treated with triiodothyronine (T3) rather than thyroxine replacement because the former drug has better gastrointestinal absorption. When compared with no medication, triiodothyronine should have which of the following effects on serum levels of TSH, T3, and T4?
💡 Explanation
An elderly hypothyroid patient with chronic gastrointestinal complaints is being treated with triiodothyronine (T3) rather than thyroxine replacement because the former drug has better gastrointestinal absorption. When compared with no medication, triiodothyronine should have which of the following effects on serum levels of TSH, T3, and T4?
✓ Correct Answer: B. Decreased TSH, increased T3, and decreased T4
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