Hyperthyroidism can be due to all of the following EXCEPT ______________
A) too much TRH
B) too much TSH
C) lack of iodine
D) too much T4 or T3

Question

Quizplus · Accepted Answer

Hyperthyroidism is a condition where the thyroid gland produces an excessive amount of thyroid hormones, such as T4 and T3. This can be caused by various factors, including overactive thyroid glands, thyroid nodules, autoimmune disease, or too much intake of thyroid hormones. However, lack of iodine is not a cause of hyperthyroidism. In fact, iodine deficiency can result in hypothyroidism because iodine is necessary for the production of thyroid hormones.

Hyperthyroidism Can Be Due to All of the Following EXCEPT