4. A registered dietitian started a page on Facebook to provide nutrition information about weight management, and started promoting the ketogenic diet. Few people voiced their concern that the ketogenic diet does not work well for them, and that they experienced some side effects. The dietitians continued to push for following the diet stating that this is the best diet for weight loss, ignoring the concerns of some members. What ethical issue is of concern in this case?

A. Autonomy

B. Competence

C. Professionalism

D. Justice

Explain your answer for question 4.