TSH is normal in: September 2006
High-Yield Explanation
Ans. B: EuthyroidIn hypehyroidism:Total plasma T3, T4, 3 is highFree plasma T3, T4, 3 is highPlasma TSH is lowIn hypothyroidism:Total plasma T3, T4, 3 is lowFree plasma T3, T4, 3 is lowPlasma TSH is highGraves disease is most common cause of hypehyroidism.