Which of the Following Is True of Thyroid Hormones

question 29

Multiple Choice

Which of the following is true of thyroid hormones?
1. The three hormones secreted are thyroxine, triiodothyronine, and calcitonin.
2. Hyposecretion is cretinism in infants and children and myxedema in adults.
3. Hyposecretion may be the result of lack of iodine as well as radiation therapy and surgical removal of the thyroid.
4. Replacement therapy is lifelong.
5. tropic hormones be taken in the mornings because of the hormone’s side effect of insomnia.

• A) 1, 2, and 3
• B) 2, 3, and 5
• C) 1, 2, 3, and 5
• D) 1 and 4
• E) 1, 2, 3, 4, and 5

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