A 33-year-old woman presents with signs and symptoms of hyperthyroidism. She complains of anxiety, tremor, nervousness, weight loss, and inability to sleep at night. Laboratory evaluation confirms...

A 33-year-old woman presents with signs and symptoms of hyperthyroidism. She complains of anxiety, tremor, nervousness, weight loss, and inability to sleep at night. Laboratory evaluation confirms hyperthyroidism with a free T4 of 25 mg/dL and undetectable levels of TSH. Which of the following is not an appropriate option for treatment of her hyperthyroidism?

A. Propylthiouracil

B. RAI

C. Levothyroxine (Synthroid)

D. Propranolol

E. Surgery