Final answer:
The nurse should request a hearing assessment of the client for the medication Digoxin.
Step-by-step explanation:
The nurse should request a hearing assessment of the client for the medication D) Digoxin. Digoxin is a medication commonly prescribed to older adults for heart conditions. However, one of the potential side effects of digoxin is hearing loss or hearing impairment. Therefore, it is important for the nurse to monitor the client's hearing while on this medication.