While Providing Medication Education to an Older Adult Client,which Instruction

While providing medication education to an older adult client,which instruction by the nurse is the most appropriate?

A) Vary the time of day that each medication is taken so that the long-term effectiveness will be preserved.
B) Obtain information about every possible adverse effect that could possibly occur.
C) Changes in mental status,weight,or bowel function should be reported to the prescriber.
D) Avoid keeping a list of medication names and doses,and their purposes,because the list could be lost,resulting in a loss of privacy.