The nurse prepares the ECG for the new patient on the Eating Disorders Unit. The nurse knows that QT-prolongation can be a complication of
Rumination Disorder
Anorexia Nervosa
Binge Eating Disorder
Avoidant Restrictive Food Intake Disorder (ARFID)
The Correct Answer is B
A. Rumination Disorder: This disorder involves repeated regurgitation of food without associated electrolyte disturbances or cardiac conduction changes. QT prolongation is not a common complication.
B. Anorexia Nervosa: Severe malnutrition and electrolyte imbalances, especially hypokalemia, hypomagnesemia, and hypocalcemia, can lead to QT-interval prolongation. This increases the risk of life-threatening arrhythmias and requires careful cardiac monitoring.
C. Binge Eating Disorder: While this disorder can contribute to obesity and metabolic syndrome, it is not typically associated with electrolyte disturbances or QT prolongation. Cardiac risk arises mainly from long-term cardiovascular effects rather than acute conduction abnormalities.
D. Avoidant Restrictive Food Intake Disorder (ARFID): Although ARFID can lead to nutritional deficiencies, it is less commonly associated with severe electrolyte disturbances or QT prolongation compared with anorexia nervosa. Cardiac monitoring may still be indicated depending on nutritional status.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Involve family in treatment: Family involvement helps address relational stressors and improves communication and support systems. Education and collaboration with caregivers can reduce triggers for self-harm and reinforce healthy coping strategies. Inclusion is guided by safety, consent, and therapeutic goals.
B. Encourage secrecy to maintain trust: Encouraging secrecy can increase risk by limiting safety planning and preventing appropriate monitoring. Nursing care emphasizes transparency, safety, and appropriate information sharing when self-harm is present. Trust is built through honest communication and protective collaboration.
C. Refer for dialectical behavior therapy (DBT): DBT is an evidence-based approach for adolescents who engage in self-injury. It focuses on emotion regulation, distress tolerance, interpersonal effectiveness, and mindfulness. Referral supports development of safer coping skills.
D. Teach alternative coping strategies: Teaching skills such as grounding, journaling, sensory modulation, or reaching out for support provides practical alternatives to self-harm. These strategies target emotional regulation and reduce reliance on injurious behaviors.
Correct Answer is A
Explanation
A. Fluoxetine (Prozac): Fluoxetine is a selective serotonin reuptake inhibitor approved by the FDA for the treatment of binge-eating and purging behaviors associated with bulimia nervosa in adults. It can help reduce the frequency of binge-purge episodes and improve mood and impulse control.
B. Clonidine: Clonidine is an alpha-2 adrenergic agonist primarily used for hypertension and ADHD-related symptoms. It is not FDA-approved for treating bulimia nervosa or its behavioral components.
C. Lisdexamphetamine (Vyvanse): Lisdexamphetamine is FDA-approved for binge-eating disorder but not for bulimia nervosa. Its primary use is for reducing impulsive binge episodes in binge-eating disorder without purging.
D. Olanzapine (Zyprexa): Olanzapine is an atypical antipsychotic used off-label for agitation or severe anorexia nervosa in some cases, but it is not FDA-approved for bulimia nervosa. Its use carries metabolic and sedation risks.
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