Pituitary and Thyroid Physiology · Physiology

Which thyroid-related protein transports the majority of thyroid hormones in blood?

  1. Serum albumin
  2. Transthyretin (prealbumin)
  3. Thyroxine-binding globulin
  4. Corticosteroid-binding globulin
Show answer and explanation

Correct answer: Thyroxine-binding globulin

Thyroxine-binding globulin carries most circulating T3 and T4. It has a high affinity for thyroid hormones.

Difficulty: Medium Question 11 of 40

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