Irene eats large quantities of high-calorie foods at least three times a week, typically when she is alone or nervous. After binging, she induces vomiting. She is constantly concerned about her appearance, although she is of normal weight. An appropriate diagnosis for Irene is
a. anorexia nervosa c. bulimia nervosa
b. overanxious disorder d. binge-eating disorder

c. bulimia nervosa              

Explanation:

Bulimia nervosa: In abnormal psychology, the term "bulimia nervosa" is described as one of the eating disorders in which an individual is marked by a short period of "out-of-control binge-eating" that is being followed by using diuretics or laxatives to purge or self-induced vomiting. However, an individual who is experiencing bulimia nervosa is often posses co-existing "psychological illness" for example, substance use disorder, depression, and anxiety.

In the question above, an appropriate diagnosis for Irene is bulimia nervosa.