As a serious dancer, Justine watches what she eats. She knows that she is underweight, but fears that if she starts eating more, she will get fat. In addition to a preoccupation with food, she has also stopped menstruating. Her behaviors suggest that she might be suffering from ________.未知题型
A
anorexia nervosa
B
bulimia nervosa
C
compulsive exercise
D
phobic disorder

Question

As a serious dancer, Justine watches what she eats. She knows that she is underweight, but fears that if she starts eating more, she will get fat. In addition to a preoccupation with food, she has also stopped menstruating. Her behaviors suggest that she might be suffering from ________.未知题型

A

anorexia nervosa

B

bulimia nervosa

C

compulsive exercise

D

phobic disorder

BlackTom AI · Accepted Answer

Question restatement: A serious dancer named Justine monitors her intake, knows she is underweight but fears gaining weight if she eats more, and she has stopped menstruating. Which disorder best fits?

Option 1: anorexia nervosa. This choice aligns with core features: extreme food restriction leading to underweight, a persistent fear of gaining weight, and body image disturbance. The added detail of amenorrhea (stopped menstruating) historically accompanies severe restrictive eating disorders and supports this diagnosis, especially in the context of a dancer who is highly motivated to control weight. The combination of underweight status and weight-related fear is the classic pattern of anorexia nervosa.

Option 2: bulimia nervosa. Bulimia involves recurrent binge-eating episodes followed by compensatory behaviors (such as purging or excessive exercise). While someone with bulimia can be underweight, normal weight, or overweight, the description here emphasizes underweight status and fear of gaining weight rather than recurrent bingeing and purging, making bulimia a poorer fit for this scenario.

Option 3: compulsive exercise. Compulsive or excessive exercise can be a feature of eating disorders, particularly within anorexia nervosa or other disorders. However, as a standalone label, it does not capture the full syndrome described—namely, intentional restriction leading to underweight and the pronounced fear of fat gain with amenorrhea—which points more specifically to anorexia nervosa rather than exercise behavior alone.

Option 4: phobic disorder. A phobic disorder involves a persistent, irrational fear of a specific object or situation. The symptoms described (food restriction due to fear of gaining weight and menstrual changes) are not characteristic of a simple phobia, so this option does not fit.

Summary of reasoning: The most coherent and comprehensive match to all listed symptoms—serious dietary restriction leading to being underweight, fear of gaining weight, and cessation of menstruation—points toward anorexia nervosa. The other options either describe different eating-disorder patterns (bulimia), describe a peripheral behavior (compulsive exercise) without the full syndrome, or reflect a distinct anxiety condition (phobic disorder) that does not account for weight-focused restriction and amenorrhea.

As a serious dancer, Justine watches what she eats. She knows that she is underweight, but fears that if she starts eating more, she will get fat. In addition to a preoccupation with food, she has also stopped menstruating. Her behaviors suggest that she might be suffering from ________.未知题型

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