Problem 1
A man is given a drug to reduce thyroid gland size and vascularity before surgical thyroidectomy. Which mechanism is responsible for its use in this setting? (A) inhibition of the sodium/iodide symporter (B) inhibition of thyroperoxidase (C) inhibition of TSH secretion (D) inhibition of thyroid hormone release (E) destruction of thyroid tissue
Problem 2
A woman with weight loss, nervousness, heat intolerance, and exophthalmos is prescribed methimazole to induce a remission in her disease. Which adverse effect is most often associated with this medication? (A) hypotension and bradycardia (B) thromboembolism (C) pruritic rash (D) liver failure (E) agranulocytosis
Problem 3
After total thyroidectomy, a woman is placed on levothyroxine to maintain normal thyroid levels. Which attribute is correctly associated with this drug? (A) partly converted to \(T_3\) in the body (B) administered several times a day (C) the most potent thyroid hormone (D) half-life of 1 day (E) oral bioavailability of \(95 \%\)
Problem 4
After exposure to radioactive fallout containing \({ }^{131} \mathrm{I}\), which agent could be administered to prevent destruction of thyroid tissue? (A) liothyronine (B) methimazole (C) propranolol (D) potassium iodide (E) levothyroxine
