The Nurse Is Caring for a Patient Who Is Scheduled

The nurse is caring for a patient who is scheduled to have a thyroid panel drawn next week.After confirming with physician,which information is most important for the nurse to include in the patient instructions?

A) Do not take aspirin for 2 days before the test.
B) Take an OTC antacid 30 minutes before the test.
C) Take the preprocedure diuretic 30 minutes before the test.
D) Do not take any multivitamins for 2 days before the test.