Final answer:
Nurses implement a client's treatment and end-of-life care wishes by recognizing their authority to pronounce death when clients are expected to die and their treatment plan does not include resuscitation.
Step-by-step explanation:
Nurses implement a client's treatment and end-of-life care wishes by recognizing that all nurses have the authority to pronounce death when clients are expected to die and their plan of treatment does not include resuscitation. This authority enables nurses to honor a client's wishes for a dignified death.