A nurse reviews medication precautions with a patient who is taking levothyroxine (Synthroid). Which of these statements, if made by the patient would indicate that the patient has the correct understanding of the instructions?

"I will monitor my pulse rate while I am taking the medication."

"I will be able to stop taking the medication when my symptoms improve."

"I will probably gain some weight while I am taking this medication."

"I will take the medication every night at bedtime."