Mr H Is 70-Year-Old Person Who Has Been Started on Levothyroxine

Mr. H. is 70-year-old person who has been started on levothyroxine for the treatment of hypothyroidism following radioactive treatment for a toxic uninodular goiter. Mr. H should be told that:

A) Hypothyroidism is a chronic condition and will require lifetime use of levothyroxine.
B) His thyroid gland will return to normal in a few years at which time he can stop the levothyroxine.
C) He should avoid taking iodine-rich food while taking levothyroxine.
D) He should take potassium iodide while his body is acclimating to levothyroxine.