A nurse is reinforcing teaching to a group of clients about the etiology of eating disorders. Which of the following statements should the nurse include?
A specific gene has been identified as the primary cause of eating disorders.
Western cultural values are the primary cause of eating disorders.
Childhood trauma is the primary contributor to the development of an eating disorder.
There is a mix of biological and psychosocial determinants that contribute to the development of eating disorders.
The Correct Answer is D
Choice A reason: Eating disorders are polygenic and complex conditions. No single gene has been identified as the primary cause; rather, research suggests an additive effect of multiple genetic variants that predispose individuals to neurobiological vulnerabilities. Genetic predisposition interacts dynamically with environmental influences to facilitate the manifestation of these disorders.
Choice B reason: While Western cultural beauty standards emphasize thinness and can serve as significant sociocultural pressure, they are not the sole primary cause. Sociocultural factors represent only one piece of the biopsychosocial model. Without inherent biological vulnerability and individual psychological factors, cultural influence alone is insufficient to trigger an eating disorder.
Choice C reason: Childhood trauma is a significant risk factor, but it is not the universal primary contributor. Many individuals who experience trauma do not develop eating disorders, and conversely, many with eating disorders report no significant history of trauma. Etiology requires viewing trauma as a potential catalyst within a broader context.
Choice D reason: The current scientific consensus supports a multifactorial biopsychosocial model. This framework acknowledges the complex interplay between genetic predispositions (biological), personality traits and cognitive patterns (psychological), and societal/environmental stressors (social). This holistic approach is essential for accurate clinical understanding, assessment, and the development of comprehensive, evidence-based therapeutic interventions.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason: Individuals with anorexia nervosa frequently develop "fear foods," which are items they perceive as unsafe, typically those perceived as high in calories, fats, or carbohydrates. This cognitive distortion regarding the perceived danger of specific foods is a core clinical manifestation of the restrictive eating behavior associated with the disorder.
Choice B reason: Clients with anorexia nervosa typically display obsessive behaviors related to food. This almost always includes meticulous, often secret, tracking and counting of caloric intake. Stating they do not bother to track calories would be highly uncharacteristic of the preoccupation with intake seen in this diagnosis.
Choice C reason: Anorexia nervosa is a psychiatric condition driven by a fear of weight gain, distorted body image, and a need for control, rather than a physiological loss of appetite or a dislike of the taste of food. Patients often possess a high interest in food, recipes, and cooking, but refuse to consume the calories due to psychological triggers.
Choice D reason: A caloric intake of 2,000 calories per day is generally considered a normal, standard requirement for maintaining physiological function in an adult. This statement contradicts the defining feature of anorexia nervosa, which is the restriction of energy intake leading to a significantly low body weight.
Correct Answer is C
Explanation
Choice A reason: Flushing from the most contaminated to the cleanest area would introduce debris and pathogens into previously clean or granulating tissue, increasing the risk of infection. Correct technique dictates irrigation from the cleanest area to the most contaminated to prevent cross-contamination and promote healing.
Choice B reason: Chilling the irrigant can cause vasoconstriction, which decreases localized tissue perfusion and slows the metabolic processes required for wound repair. Furthermore, cold solutions can induce patient discomfort and chilling, potentially causing systemic stress. Irrigants should ideally be at room temperature or warmed to body temperature.
Choice C reason: The goal of wound irrigation is the removal of debris, necrotic tissue, and exudate to create an environment conducive to healing. Irrigation must continue until the effluent or draining solution flows clear, indicating that the wound bed is adequately cleansed of contaminants and excessive slough.
Choice D reason: The tip of the syringe should generally be held approximately 2.5 cm (1 inch) above the wound bed to maintain sterility and prevent mechanical trauma to the friable granulation tissue. Holding the syringe closer than 1 inch increases the risk of the tip touching the wound, leading to cross-contamination.
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