Final answer:
The appropriate nursing response is option B: "eating disorders have been correlated to certain familial patterns; without addressing these, her disorder is likely to continue."
Step-by-step explanation:
The appropriate nursing response to the mother's inquiry would be option B: "eating disorders have been correlated to certain familial patterns; without addressing these, her disorder is likely to continue." This response acknowledges the importance of family dynamics in eating disorders and emphasizes the need to address them for successful treatment and recovery. It provides insight into the relationship between familial patterns and eating disorders, helping the family understand that their support and involvement are crucial in helping the client overcome the disorder.