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.

Question

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.

Quizplus · Accepted Answer

1. The thyroid gland indeed secretes three hormones: thyroxine (T4), triiodothyronine (T3), and calcitonin. 2. Hyposecretion of thyroid hormones leads to cretinism in infants and children and myxedema in adults. 3. Hyposecretion can be caused by a lack of iodine, radiation therapy, or surgical removal of the thyroid gland. 4. Replacement therapy for thyroid hormone deficiency is typically required for life. 5. Thyroid hormone replacement is often recommended to be taken in the morning to avoid insomnia, a potential side effect.

Which of the Following Is True of Thyroid Hormones