A nurse is assessing an adolescent female client who has anorexia nervosa. Which of the following findings should the nurse expect?
Metrorrhagia.
Tachycardia.
Hyperkalemia.
Constipation.
The Correct Answer is D
The correct answer is Choice D
Choice A rationale: Metrorrhagia, or irregular uterine bleeding, is not typically associated with anorexia nervosa. Instead, amenorrhea is more common due to hypothalamic suppression from low body fat and caloric intake. The hypothalamus reduces gonadotropin-releasing hormone (GnRH), leading to decreased luteinizing hormone (LH) and follicle-stimulating hormone (FSH), which suppresses ovulation and menstruation. Estrogen levels fall below normal (typically 30–400 pg/mL), disrupting endometrial stability. Thus, bleeding is less likely than complete menstrual cessation.
Choice B rationale: Tachycardia is not expected in anorexia nervosa; bradycardia is more common due to metabolic adaptation and reduced cardiac workload. The body conserves energy by lowering heart rate, often below 60 bpm. Malnutrition leads to decreased thyroid hormone (T3), reduced sympathetic tone, and myocardial atrophy. Electrolyte imbalances and hypovolemia further depress cardiac output. Tachycardia may occur in refeeding syndrome or acute stress, but chronically, the heart rate is typically slow due to adaptive mechanisms.
Choice C rationale: Hyperkalemia is rare in anorexia nervosa; hypokalemia is far more common due to purging behaviors, vomiting, and diuretic or laxative abuse. Potassium levels often fall below the normal range of 3.5–5.0 mEq/L. Losses through the gastrointestinal tract and renal excretion lead to muscle weakness, arrhythmias, and fatigue. Intracellular shifts during starvation also contribute to low serum potassium. Hyperkalemia may occur transiently during tissue breakdown or renal failure but is not a hallmark finding.
Choice D rationale: Constipation is a frequent finding in anorexia nervosa due to decreased caloric intake, slowed gastrointestinal motility, and reduced fiber consumption. Starvation suppresses parasympathetic activity, leading to delayed colonic transit. Electrolyte imbalances, especially hypokalemia, further impair smooth muscle contraction. Normal bowel frequency ranges from three times per week to three times per day; anorexic clients often fall below this due to systemic hypometabolism. Constipation may also be exacerbated by dehydration and laxative dependence.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale:
The statement "You are feeling very depressed. I felt the same way when I decided to leave my husband." is a non-therapeutic statement that demonstrates sympathy. The nurse is sharing personal experiences, which can shift the focus from the client's feelings to the nurse's own experiences.
Choice B rationale:
The statement "I can understand you are feeling depressed. It was a difficult decision. I'll sit with you." is a therapeutic response that offers support and empathy without diverting the focus to the nurse's experiences. The nurse's willingness to sit with the client is a positive aspect of this response.
Choice C rationale:
The statement "You seem depressed. It was a difficult decision to make. Would you like to talk about it?" is a therapeutic response that acknowledges the client's feelings, offers support, and invites further conversation. This response encourages the client to express themselves.
Choice D rationale:
The statement "I know this is a difficult time for you. Would you like medication for anxiety?" acknowledges the client's difficulties but immediately offers medication as a solution. While medication can be a valid option, it's important to prioritize open communication and emotional support before suggesting medication.
Correct Answer is B
Explanation
The correct answer is choice B. A room containing personal belongings.
Choice A rationale:
Similar to the rationale provided for , a room without a window would not provide the necessary sensory input and connection to the outside world. Natural light and visual stimuli are important for maintaining a sense of time and orientation.
Choice B rationale:
A room containing personal belongings is the correct answer for the same reasons as mentioned in the previous question. Familiar items can provide comfort and reduce feelings of agitation in cognitively impaired individuals.
Choice C rationale:
Once again, a room adjacent to the nursing station could expose the client to unnecessary noise and activity, potentially causing distress and hindering the therapeutic environment required for cognitively impaired individuals.
Choice D rationale:
Dim lighting can contribute to disorientation and confusion. Adequate lighting helps individuals perceive their surroundings and reduces the risk of accidents.
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