Final answer:
The MOST appropriate way for the nurse to respond would be to talk to the medical director in confidence (Option D). By reporting to the medical director, the nurse is allowing the proper authority to investigate and take appropriate action as necessary.
Step-by-step explanation:
The MOST appropriate way for the nurse to respond would be to talk to the medical director now, in confidence (Option D).
Concerns about a physician's potential impairment due to medication abuse should be addressed by reporting to the appropriate authority, which in this case is the medical director. The nurse should have a confidential conversation with the medical director to discuss the observations and concerns.
By reporting to the medical director, the nurse is allowing the proper authority to investigate and take appropriate action as necessary. This ensures that patient safety and the well-being of the physician are protected.