Endocrinology MCQ 125

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Which of the following statements regarding thyroid physiology are true?

    Werner and Ingbar's The Thyroid: A Fundamental and Clinical Text (Thyroid, The (Werner & Ingbar's))
  1. Normally about 20% of T3 is secreted directly from the thyroid gland
  2. The thyroid gland is the only endogenous source of T4
  3. Excess thyroid hormone results in an increase in the number of ATP-dependent sodium pumps on the cell membrane
  4. The majority of thyroid hormone in circulating plasma is bound to albumin, thus limiting the availability of the metabolically active form
Answer

Category: Endocrinology MCQs

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