Final answer:
The charge nurse's best response is to report the nurse to human resources for demonstrating prejudicial behavior.
Step-by-step explanation:
The charge nurse's best response in this situation is option B) Report the nurse to human resources for demonstrating prejudicial behavior. Using a derogatory name to refer to a patient's ethnicity is a form of prejudice and goes against professional standards and ethical principles in healthcare. By reporting the nurse to human resources, the charge nurse ensures that appropriate action is taken to address the prejudicial behavior and promote a respectful and inclusive work environment.