A person who is in relentless pursuit of thinness, so much so that they are starving themselves to achieve this goal is exhibiting symptoms of

Question

BlackTom AI · Accepted Answer

Anorexia nervosa is characterized by an intense drive for thinness and persistent restriction of energy intake, so the behavior described (starving oneself to achieve thinness) is most consistent with that diagnosis.

1. Relevant knowledge points and concepts
- DSM-5 criteria for anorexia nervosa include: restriction of energy intake leading to significantly low body weight, intense fear of gaining weight or becoming fat, and a disturbance in the way one’s body weight or shape is experienced. Compensatory behaviors and severe caloric restriction are common features.
- Bulimia nervosa is defined by recurrent binge eating episodes followed by inappropriate compensatory behaviors (vomiting, laxatives, fasting, excessive exercise).
- Binge-eating disorder involves recurrent binge episodes without regular compensatory behaviors.
- Bipolar disorder is a mood disorder characterized by episodes of mania/hypomania and depression, not a primary eating disorder causing deliberate starvation.

2. Step-by-step reasoning
- The stem: “relentless pursuit of thinness” + “starving themselves” directly indicates persistent restriction of food intake and an intense fear/desire related to weight/shape.
- Match to DSM-5: restriction leading to low weight and distorted body image maps onto anorexia nervosa criteria.
- There is no mention of binge episodes followed by purging, so bulimia nervosa is not supported.
- There is no mention of recurrent binge eating without compensatory behavior, so binge-eating disorder is not correct.
- Mood swings or manic/depressive episodes are not described, so bipolar disorder is irrelevant.

3. Intermediate steps (diagnostic matching)
- Identify behavior (starving) → classify as restrictive energy intake.
- Identify motive (pursuit of thinness) → matches intense fear of weight gain/body image disturbance.
- Conclude diagnosis: anorexia nervosa.

4. Why the correct answer is correct
Because anorexia nervosa specifically involves deliberate food restriction to attain thinness and an intense fear of weight gain—exactly the behaviors described.

5. Why other options are incorrect
- Bulimia nervosa: requires binge-purge cycles, not simply starvation.
- Binge-eating disorder: involves binge eating without compensatory starvation.
- Bipolar disorder: primarily a mood disorder, not characterized by intentional starvation for thinness.

6. Conclusion
The correct answer is anorexia nervosa, which matches the provided answer.

A person who is in relentless pursuit of thinness, so much so that they are starving themselves to achieve this goal is exhibiting symptoms of单项选择题

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