Low levels of cerebral spinal fluid 5HIAA (CSF 5-HIAA) can be an indicator of which of the following?
Depression
Impulsive aggression
Chronic fatigue syndrome
Bipolar disorder
The Correct Answer is B
Choice A reason: Low CSF 5HIAA has been studied in relation to mood disorders, but the association with depression is inconsistent and not considered a primary biomarker.
Choice B reason: This is correct. CSF 5HIAA is a metabolite of serotonin, and low levels are strongly associated with impulsive and aggressive behaviors. Serotonin dysregulation can impair inhibitory control and emotional regulation, leading to increased risk of impulsive aggression and violent behavior.
Choice C reason: Chronic fatigue syndrome is not linked to CSF 5HIAA levels; its etiology involves multifactorial immunologic and neurologic factors.
Choice D reason: Bipolar disorder involves mood dysregulation with episodes of mania and depression. CSF 5HIAA levels are not reliably predictive of bipolar disorder or its clinical course.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason: Black cohosh has some evidence for reducing vasomotor symptoms such as hot flashes, though studies are limited and results are mixed. It is considered the most studied herbal option for menopausal symptom relief.
Choice B reason: Belladonna has no evidence for treating menopausal symptoms and is not recommended due to potential toxicity.
Choice C reason: Chamomile is primarily used for sleep and mild anxiety; it lacks substantial evidence for treating hot flashes.
Choice D reason: Valerian is used for insomnia and relaxation; it does not effectively treat menopausal vasomotor symptoms.
Correct Answer is B
Explanation
Choice A reason: This response exaggerates risk and is accusatory. While adolescents with gender dysphoria are at elevated risk for suicide, framing it as an inevitable outcome could create unnecessary guilt and conflict with the parents rather than promoting an informed, supportive approach.
Choice B reason: This is the correct response. Conversion therapy is widely discredited because it is ineffective and harmful, often increasing anxiety, depression, and risk of self-harm. The PMHNP correctly provides factual, evidence-based guidance to protect the adolescent's mental health without alienating the parents.
Choice C reason: This response avoids clinical responsibility and fails to provide guidance. The PMHNP’s role is to educate the family on evidence-based care and risks of harmful interventions; simply stating disagreement does not meet the standard of care.
Choice D reason: While well-intentioned, this response is judgmental and confrontational. It may provoke defensiveness and reduce parental engagement in supportive care, which is critical for the adolescent’s well-being.
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