Zeena has an irrational fear of gaining weight. even though she is very thin, when she looks in the mirror, she sees herself as heavier than she actually is. she has recently lost a severe amount of weight to the point at which her friends, teachers, and parents are very concerned about her health. zeena fits the definition of one with
a. anorexia nervosa. b. bulimia nervosa. c. binge eating. d. body mass index nervosa.

a.Anorexia nervosa

Explanation:

Anorexia nervosa, which is commonly called anorexia is an eating disorder that makes a person have an extreme fear of gaining weight such that they start to extremely restrict their food intake and they have abnormal desire to be thin.

The person may be extremely thin but they see themselves as overweight, but in reality they are underweight. They will vomit , take laxatives and use any dieting method, even when they have lost a lot of weight they still can't see it.

They may also over exercise , lose weight but still feel overweight.

This is a life threatening disorder that is driven by emotional issues because a person usually feels like being thin is equal to being worthy.

Symptoms

A person starve themselves constantly and they have unrealistic weight loss goals. An abnormal fear of gaining weight even though the person may already be too thin.

"choosing is refusing" means individuals face an opportunity cost with each decision they make. economists state that every decision involves trade-offs. opportunity cost is the least desirable alternative given up as a result of a decision.

c. reserves power to the states and people