An Estimated 1% of the Population Has Hyperthyroidism

Multiple Choice

An estimated 1% of the population has hyperthyroidism. Graves disease, also known as toxic diffuse goiter, is the most common cause of hyperthyroidism in the United States. Graves disease is an autoimmune disease in which the immune system makes an antibody that mimics TSH.
-Which would you expect in the blood of a patient with hyperthyroidism?

A) no change in either TSH and thyroid hormones
B) a decrease in both TSH and thyroid hormones
C) an increase in TSH and a decrease in thyroid hormones
D) an increase in both TSH and thyroid hormones
E) a decrease in TSH and an increase in thyroid hormones