The nurse is reviewing the different types of personality disorders and recognizes the following fall into the Cluster A Personality Disorders? (Select all that apply)
Borderline personality disorder
Avoidant personality disorder
Schizotypal personality disorder
Antisocial personality disorder
Paranoid personality disorder
Correct Answer : C,E
Choice A reason: Borderline personality disorder is a Cluster B disorder, characterized by emotional instability and impulsivity due to dysfunctional emotional regulation circuits, including the amygdala and prefrontal cortex. It does not belong to Cluster A, which includes eccentric and odd behaviors, making it an incorrect choice for this category.
Choice B reason: Avoidant personality disorder is a Cluster C disorder, marked by anxiety and fear of rejection, linked to heightened amygdala sensitivity to social threats. Cluster A disorders involve odd or eccentric traits, not anxiety-driven avoidance, so avoidant personality disorder does not fit the Cluster A category.
Choice C reason: Schizotypal personality disorder is a Cluster A disorder, characterized by eccentric behavior, odd beliefs, and perceptual distortions, likely due to subtle brain abnormalities in the frontal and temporal lobes. These traits align with the odd, eccentric nature of Cluster A, making it a correct choice for this category.
Choice D reason: Antisocial personality disorder is a Cluster B disorder, involving impulsivity and disregard for others, associated with reduced prefrontal cortex regulation of aggressive impulses. It does not exhibit the eccentric or odd traits of Cluster A, making it an incorrect choice for this personality disorder cluster.
Choice E reason: Paranoid personality disorder is a Cluster A disorder, marked by pervasive distrust and suspiciousness, potentially linked to hyperactivity in limbic system structures like the amygdala. Its eccentric and odd presentation fits the Cluster A category, making it a correct choice for inclusion in this group.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A reason: Instructing the client to sit down and stop pacing may escalate anxiety, as pacing is a physical outlet for heightened amygdala activity and cortisol release in generalized anxiety disorder. Forcing cessation dismisses the client’s emotional state, potentially worsening distress and hindering therapeutic engagement.
Choice B reason: Escorting the client to her room isolates her and may increase anxiety by removing a coping mechanism (pacing) without addressing the underlying neurochemical imbalance, such as excessive norepinephrine. This approach risks escalation rather than de-escalation, as it does not engage the client therapeutically.
Choice C reason: Walking with the client at a gradually slower pace is therapeutic, as it validates the client’s anxiety-driven pacing while gently reducing arousal. This mirrors the client’s energy, calming the overactive amygdala and lowering cortisol levels, promoting de-escalation and trust in a non-confrontational, supportive manner.
Choice D reason: Allowing the client to pace alone until tired risks physical exhaustion and does not address the underlying anxiety driven by neurochemical imbalances, such as excessive norepinephrine or GABA dysfunction. Unsupervised pacing may reinforce anxiety without therapeutic intervention, making it less effective than guided de-escalation.
Correct Answer is B
Explanation
Choice A reason: Initial substance use in adulthood is less likely to lead to addiction compared to adolescence, as the adult brain’s prefrontal cortex is more developed, improving impulse control. Addiction risk is lower because neuroplasticity decreases, reducing the brain’s vulnerability to substance-induced reward pathway alterations.
Choice B reason: Early substance exposure during adolescence increases addiction risk, as the developing brain’s prefrontal cortex and reward systems (e.g., dopamine pathways) are highly plastic. Substances like alcohol or drugs can rewire neural circuits, enhancing dependence by altering dopamine release and receptor sensitivity in the nucleus accumbens, a key addiction pathway.
Choice C reason: Pre-existing cognitive deficits may increase vulnerability to addiction by impairing decision-making and impulse control, linked to prefrontal cortex dysfunction. However, this is less significant than early substance exposure, which directly reshapes developing neural pathways, making it a secondary factor in addiction risk compared to developmental exposure.
Choice D reason: Medical insurance availability facilitates addiction treatment but does not directly increase addiction risk. It affects access to care, not the neurobiological mechanisms of addiction, such as dopamine dysregulation in the reward system, making it irrelevant to the factors that predispose individuals to substance dependence.
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