The purpose of the use of radioactive iodine in the treatment of hyperthyroidism is to:
a. stimulate the thyroid gland.
b. depress the pituitary.
c. destroy some of the thyroid tissue.
d. alter the stimulus from the pituitary.
ANS: C
Radioactive iodine 131 destroys some of the hyperactive thyroid gland to produce a more normally functioning gland.
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