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Thyroid1
Review of Thyroid Function
Question | Answer |
---|---|
Where is TSH produced? | Thyroid Stimulating Hormone is produced in the pituitary gland |
What is TRH and where is it produced? | The hypothalamus produces TRH (thyrotropin-releasing hormone) which stimulates the pituitary to produces TSH |
Which thyroid hormone is the most potent | Free T3 T3 is about 4 times more potent than T4. Unbound thyroid hormone is biologically available. |
Another name for T3 | Triiodothyronine |
Which thyroid hormone is more abundant in circulation, T4 or T3? | T4 is found in a 20:1 ratio in the blood. It is converted to T3 in the peripheral tissue. |
What mineral and amino acid are used to make thyroid hormones? | Iodine and tyrosine |