Final answer:
The information in the client's medical record that indicates the client's condition is deteriorating in the case of anorexia nervosa includes decreased heart rate, low blood pressure, and increased food intake.
Step-by-step explanation:
The information in the client's medical record that indicates the client's condition is deteriorating in the case of anorexia nervosa includes decreased heart rate, low blood pressure, and increased food intake. Weight gain of 2 pounds may not necessarily indicate the client's condition is deteriorating as it can vary due to multiple factors, such as fluid retention. However, in the context of anorexia nervosa, weight gain is generally a positive sign as it indicates progress towards recovery.