9 Questions
What is the main function of Thyroxine-binding globulin in the plasma?
To act as a reservoir for thyroid hormones
Which plasma protein has the smallest capacity but binds the most T4?
Thyroxine-binding globulin
What is the percentage distribution of T3 in the thyroid follicle?
7%
What is the function of deiodinase in the thyroid follicle?
To recover iodine and tyrosine for hormone synthesis
What is the main source of free biologically active thyroid hormones in the plasma?
Thyroid gland secretion
What is the primary function of reverse T3 (RT3) in hormone production?
Neutralization and clearance of excess iodine
What is the major function of albumin in plasma concerning thyroid hormones?
To transport most of the T4
What is the primary role of prealbumin (Transthyretin) in thyroid hormone binding?
To bind only small amounts of thyroid hormones
What happens to remaining DIT and MIT in the thyroid follicle?
They are deiodinated to recover iodine and tyrosine
Test your knowledge on the thyroid gland, its location, size, secretions, and the functions of metabolic hormones T4 and T3. Explore the impact of thyroid dysfunctions on mental health in fetal and neonatal life.
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