Bulimia Nervosa and Anorexia Nervosa are?

RRB Staff Nurse Kolkata-2015

Mental Health Nursing

Easy

Appeared in: RRB Staff Nurse Kolkata-2015

Explanation

Bulimia Nervosa and Anorexia Nervosa are primary classifications within the 'Feeding and Eating Disorders' category in psychiatric diagnosis.
Both disorders involve a significant disturbance in eating habits and an intense preoccupation with body weight and shape.
Anorexia is defined by severe restriction of intake leading to low body weight, while Bulimia is defined by cycles of binge eating and purging.
The core feature linking them is the pathological behavior and mindset related to food and weight, which places them under the umbrella of eating disorders.

Option A: Sleep disorders primarily involve problems with the quality, timing, and amount of sleep. While individuals with eating disorders may experience sleep disturbances (like insomnia or chaotic sleeping patterns), it is a secondary symptom, not the primary diagnosis.
Option C: While these are mental health conditions that involve the nervous system, 'Nervous Disorder' is an outdated and non-specific term. The specific classification is based on the primary behavioral manifestation, which is related to eating.
Option D: This option is incorrect because a correct classification exists among the choices. Both conditions are well-defined as Eating Disorders.

Visual 1: Comparison Chart - A side-by-side table comparing the key features of Anorexia Nervosa and Bulimia Nervosa (body weight, behaviors, psychological state, physical signs) to help differentiate them.
Visual 2: Infographic - An infographic showing the physical and psychological effects of Anorexia and Bulimia on the body, highlighting signs like dental erosion, lanugo, and electrolyte imbalance complications.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Classification of eating disorders as background academic context rather than a clinical decision trigger.
Nurses must conduct thorough physical assessments, looking for signs like Russell's sign (calluses on knuckles from self-induced vomiting), parotid gland swelling, and dental erosion in bulimia, or lanugo and bradycardia in anorexia.
Monitoring electrolyte levels, especially potassium (K+), is critical. Hypokalemia from purging is a common and life-threatening complication of bulimia nervosa, which can lead to cardiac arrhythmias.
What if? If a patient with anorexia nervosa also engages in binge-eating and purging, the diagnosis remains Anorexia Nervosa (binge-eating/purging subtype), not Bulimia Nervosa. The diagnosis of anorexia nervosa trumps bulimia if the patient is significantly underweight.

How to Approach the Question

First, identify the key terms in the question: 'Bulimia Nervosa' and 'Anorexia Nervosa'.
Recall the major categories of psychiatric disorders. Think about where conditions defined by behavior are placed.
Analyze the core features of both conditions. Both are defined by abnormal eating patterns and concerns about weight.
Evaluate the given options. 'Eating Disorder' directly describes the primary nature of these conditions.
Eliminate the other options. 'Sleep Disorder' and 'Nervous Disorder' are incorrect because they do not capture the central problem of disturbed eating behavior.

Concept Tested & Keywords

QnEYuxzPvJjhhFJTGNcu-4