Sublingual nitroglycerin is prescribed PRN for an older adult female client with a history of chest pain. The client shows the practical nurse (PN) a plastic pill box that she purchased so the medication can always be readily available in her purse. Which action should the PN take?

D Observe the client's ability to easily and quickly open the pill box. C Explain the need to store the medication in the original container. A Remind the client to obtain a fresh supply of pills every 30 days. B Assist in clearly labeling the pill container with directions for use.