A nurse is planning care for a newly admitted client who has anorexia nervosa. Which of the following interventions should the nurse include in the plan?

The correct answer is B: Notify the client about designated times for meals. This intervention is important for clients with anorexia nervosa to establish a structured eating routine, prevent skipping meals, and promote regular eating habits. By notifying the client about designated times for meals, the nurse helps the client maintain a consistent and balanced diet, which is crucial for the treatment of anorexia nervosa. Weighing the client weekly (A) may lead to increased anxiety and obsession with weight. Negotiating weight gain (C) could reinforce unhealthy behaviors. Decreasing fiber intake (D) is not a recommended intervention as it may compromise the client's nutritional intake.