Luis, a nursing student, is explaining to his patient the mechanism of action of selective serotonin reuptake inhibitors (SSRIs). What should he include?
SSRIs increase norepinephrine levels to elevate mood.
SSRIs inhibit serotonin production in the brain.
SSRIs decrease dopamine levels to improve mood.
SSRIs increase serotonin levels by preventing its reuptake into neurons.
The Correct Answer is D
Choice A reason: SSRIs do not increase norepinephrine levels; that is the action of SNRIs or other antidepressant classes.
Choice B reason: SSRIs do not inhibit serotonin production; instead, they work by blocking reuptake, leading to increased serotonin availability.
Choice C reason: SSRIs do not lower dopamine levels; this would worsen mood symptoms rather than improve them.
Choice D reason: SSRIs block serotonin reuptake in presynaptic neurons, which increases serotonin availability in the synaptic cleft and helps elevate mood.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A reason: Zero tablets would result in the patient not receiving the required medication.
Choice B reason: Three tablets equal 15 mg, which is above the prescribed dose and could cause adverse effects.
Choice C reason: Half a tablet equals 2.5 mg, which is insufficient to meet the 10 mg prescribed dose.
Choice D reason: Two tablets equal the prescribed 10 mg, which is correct.
Correct Answer is C
Explanation
Choice A reason: Pseudoparkinsonism causes symptoms such as tremors, rigidity, bradykinesia, and shuffling gait. It is not associated with fever, blood pressure changes, or diaphoresis.
Choice B reason: Tardive dyskinesia develops gradually after prolonged antipsychotic use and presents with involuntary movements like lip smacking, tongue protrusion, or grimacing. It does not cause acute systemic symptoms such as hyperpyrexia or autonomic instability.
Choice C reason: Neuroleptic malignant syndrome (NMS) is a life-threatening emergency associated with antipsychotics. It manifests with hyperpyrexia, autonomic instability (blood pressure changes, diaphoresis), severe muscle rigidity, and altered mental status. The client’s presentation matches NMS.
Choice D reason: Acute dystonia involves sudden muscle contractions affecting the face, neck, or back (e.g., torticollis, oculogyric crisis). It does not present with systemic symptoms like fever or blood pressure fluctuations.
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