Which of the Following Statements About the Expiration Dates of Medications

Which of the following statements about the expiration dates of medications is TRUE?

A) Medications should be disposed of on or before their expiration date.
B) Expiration dates should be ignored;they are used by the manufacturer to increase sales.
C) A study by the FDA found that 90 percent of all medications are potent several years after their stated expiration date.
D) Medications don't ever lose their potency as long as they are sealed tight and stored in a cool,dry place.