Low T₃ syndrome is a
A)low metabolic state associated with anorexia nervosa.
B)reduction in thyroxine associated with anorexia nervosa.
C)decrease in triiodothyronine associated with bulimia nervosa.
D)decrease in reduced triiodothyronine associated with anorexia nervosa.

Question

Quizplus · Accepted Answer

Low T₃ or active triiodothyronine is a characteristic of a reduced state of metabolism in patients with anorexia nervosa.Thyroid hormone production remains normal; however, peripheral deiodization of thyroxine favors the formation of reduced triiodothyronine.The reduced form of triiodothyronine is less metabolically active than the regular form.This alteration in metabolism resolves as weight gain occurs.

Low T₃ Syndrome Is a