Final answer:
The most important requirement for today's nurse manager is to prioritize exceptional customer service to the manager.
Step-by-step explanation:
The statement that reflects concern about the most important requirement for today's nurse manager is: 'If you think of your manager as your most important internal customer, you'll want to offer exceptional customer service whenever you can.'
This statement emphasizes the importance of providing exceptional customer service to the manager, which implies that the manager's satisfaction is a key requirement for a nurse manager today. By prioritizing the manager's needs and being professional and resourceful, the nurse manager can enhance their job satisfaction and create a collaborative working relationship with their manager.