A client is prescribed a serotonin-norepinephrine reuptake inhibitor. The nurse would identify that which of the following will be prescribed?
Venlafaxine (Effexor)
Propranolol (Inderal)
Amitriptyline (Elavil)
Fluoxetine (Prozac)
The Correct Answer is A
Choice A reason: Venlafaxine inhibits serotonin and norepinephrine reuptake, enhancing synaptic levels of these neurotransmitters in the prefrontal cortex and amygdala, improving mood and anxiety. This mechanism aligns with SNRIs, making it the correct choice for treating conditions like depression or anxiety with dual neurotransmitter modulation.
Choice B reason: Propranolol is a beta-blocker, reducing sympathetic activity by blocking norepinephrine at beta receptors, not reuptake. It treats physical anxiety symptoms, not mood via serotonin-norepinephrine pathways. This makes it incorrect for an SNRI, as it lacks reuptake inhibition properties.
Choice C reason: Amitriptyline, a tricyclic antidepressant, inhibits serotonin and norepinephrine reuptake but also affects other receptors, causing significant side effects. It is not classified as an SNRI due to its broader mechanism, making it an incorrect choice compared to venlafaxine’s specific SNRI action.
Choice D reason: Fluoxetine is an SSRI, selectively inhibiting serotonin reuptake, not norepinephrine. It enhances serotonin in mood-regulating areas like the hippocampus but lacks norepinephrine modulation, making it incorrect for an SNRI, which requires dual reuptake inhibition for broader neurotransmitter effects.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason: Histamine blockade, as in antipsychotics like olanzapine, promotes sedation, not weight loss. Weight gain is common due to histamine’s role in appetite regulation via hypothalamic signaling. Weight loss is not a typical side effect, making this response inaccurate for histamine-blocking medications.
Choice B reason: Histamine receptor blockade, common in medications like quetiapine, reduces wakefulness by inhibiting histamine’s alerting effects in the cortex. This causes drowsiness, a frequent side effect in psychiatric treatments, aligning with the pharmacological mechanism and making this the correct response.
Choice C reason: Insomnia is not typical with histamine blockade, which promotes sedation. Histamine enhances alertness; blocking it, as in antihistaminic antipsychotics, induces sleepiness, not wakefulness. This response contradicts the neuropharmacological effect, making it incorrect for expected side effects.
Choice D reason: Blood pressure increase is unrelated to histamine blockade. Histamine affects wakefulness and appetite, not vascular tone directly. Antihistaminic drugs may cause orthostatic hypotension via other receptors, not hypertension, making this response inaccurate for histamine-blocking medication effects.
Correct Answer is A
Explanation
Choice A reason: After diagnosis, setting goals and outcomes guides care, addressing issues like serotonin-driven depression. Goals, like “improve mood stability,” align with neurobiological needs, ensuring measurable, patient-centered targets. This step precedes interventions, forming the foundation for effective psychiatric treatment planning.
Choice B reason: Designing interventions follows goal-setting. Interventions, like therapy for dopamine imbalances, are based on established outcomes. Acting prematurely without goals risks misaligned care, as neurobiological targets must be defined first, making this step incorrect as the immediate next action.
Choice C reason: Implementation occurs after goals and interventions are set. Acting before defining outcomes, like stabilizing GABA for anxiety, risks ineffective care. The nursing process requires sequential planning to address neurobiological deficits, making implementation premature and incorrect at this stage.
Choice D reason: Spiritual assessment, while valuable, is part of initial data collection, not the next step after diagnosis. Goals addressing neurobiological issues, like serotonin deficits, take precedence to ensure targeted care. This option is irrelevant to the immediate planning phase of the nursing process.
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