Clinical Biochemistry_2023_22_Ch8

What is the most common cause of hyperthyroidism?

• Thyroiditis

• Graves' disease

• Hashimoto's thyroiditis

• Thyroid cancer

Which thyroid hormone is responsible for regulating metabolism?

• TSH

• T3

• T4

• TRH

_________ is the most common cause of hypothyroidism in iodine-sufficient regions?

• Hashimoto's thyroiditis

• Thyroiditis

• Pituitary dysfunction

• Thyroid cancer

Which of the following tests is used to diagnose hyperthyroidism?

• TSH test

• T4 test

• T3 test

• All of the above

_________ is the treatment for hypothyroidism.

• Radioactive iodine therapy

• Surgery

• Hormone replacement therapy

• Beta blockers

A 42-year-old woman presents to her doctor with symptoms of fatigue, weight gain, and cold intolerance. She also reports constipation and dry skin. On physical examination, the doctor notes a diffuse goiter. Blood tests show a high level of TSH and a low level of T4.

What is the most likely diagnosis for this patient?

• Hyperthyroidism

• Hashimoto's thyroiditis

• Thyroid cancer

• Graves' disease

A 42-year-old woman presents to her doctor with symptoms of fatigue, weight gain, and cold intolerance. She also reports constipation and dry skin. On physical examination, the doctor notes a diffuse goiter. Blood tests show a high level of TSH and a low level of T4.

What is the most appropriate treatment for this patient?

• Radioactive iodine therapy

• Surgery

• Hormone replacement therapy

• Beta blockers