What is the main therapeutic action of selective serotonin reuptake inhibitors such as escitalopram?
Correct answer: A. They increase serotonin activity in the synaptic cleft.
- A. They increase serotonin activity in the synaptic cleft.
- B. They block dopamine receptors in the basal ganglia.
- C. They increase gamma-aminobutyric acid at receptor sites.
- D. They prevent noradrenaline release from sympathetic nerves.
Explanation
Selective serotonin reuptake inhibitors reduce serotonin reuptake, increasing serotonin availability in the synaptic cleft. They do not primarily block dopamine receptors or act by increasing gamma-aminobutyric acid.
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About Psychopharmacology
Psychopharmacology covers the actions, uses, adverse effects, and nursing responsibilities associated with antipsychotics, antidepressants, mood stabilizers, anxiolytics, sedatives, and stimulants. It includes extrapyramidal symptoms, tardive dyskinesia, neuroleptic malignant syndrome, serotonin syndrome, lithium toxicity, medication adherence, and monitoring of therapeutic response.
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