Final answer:
The most effective discharge action is involving the client and his wife in developing a plan of care.
Step-by-step explanation:
The most effective discharge action to ensure compliance with the management plan for a client with Parkinson's disease being discharged home with his wife is option A) Involving the client and his wife in developing a plan of care.
By involving the client and his wife in developing the plan of care, they will have a sense of ownership and understanding of the management plan, which can improve compliance. They can discuss and customize the plan according to their specific needs and preferences.
This approach promotes collaboration, shared decision-making, and empowerment, which are essential for successful management of Parkinson's disease.