The Nurse Is Caring for an Older Adult Client Admitted

The nurse is caring for an older adult client admitted with a stage 3 pressure ulcer on the left heel and who also has a history of Parkinson's disease and chronic renal failure.To best minimize the client's risk of developing an iatrogenic illness, the nurse:

A) uses sterile technique when changing the heel's dressings.
B) reviews all the medications that the client is currently taking for possible adverse reactions.
C) instructs the client to use the call bell to get assistance when needing to go to the bathroom.
D) assists the client in choosing the appropriate foods from the daily menu he receives.