A 25-year-old client is hospitalized for severe anxiety. During the assessment, the nurse notices the client clutches a childhood stuffed animal and speaks in a childlike voice when discussing stressful life events. Which defense mechanism is the client most likely using?
Displacement.
Regression.
Sublimation.
Repression.
The Correct Answer is B
Choice A reason: Displacement involves transferring feelings from one object or person to another safer target, which is not occurring here.
Choice B reason: Returning to earlier developmental behaviors, such as holding a childhood toy and speaking like a child during stress, is a clear example of regression.
Choice C reason: Sublimation is channeling unacceptable impulses into constructive activities, which is not shown in this scenario.
Choice D reason: Repression involves unconsciously blocking distressing thoughts or feelings, but in this case the client is acting out stress through childlike behavior.
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Correct Answer is D
Explanation
Choice A reason: Separation anxiety disorder involves excessive distress when separated from caregivers, but the key feature here is lack of speech in specific settings.
Choice B reason: Agoraphobia is the fear of being in situations where escape may be difficult, not selective inability to speak.
Choice C reason: Generalized anxiety disorder is characterized by excessive worry in many areas of life, not persistent mutism in social contexts.
Choice D reason: Selective mutism is an anxiety disorder where a child consistently fails to speak in certain settings, like school, despite being able to speak in others, making this the correct diagnosis.
Correct Answer is B
Explanation
Choice A reason: Enhancing dopamine transmission is not the mechanism of antipsychotics; excessive dopamine is implicated in schizophrenia’s positive symptoms, so reducing—not enhancing—dopamine activity is key.
Choice B reason: Blocking both dopamine and serotonin receptors is characteristic of second-generation (atypical) antipsychotics. This dual action reduces extrapyramidal side effects while still targeting positive and negative symptoms.
Choice C reason: First-generation antipsychotics primarily block dopamine D2 receptors, which increases the risk for extrapyramidal side effects such as dystonia and parkinsonism.
Choice D reason: Selective serotonin receptor blockade is not the defining mechanism of second-generation antipsychotics. These medications act on both dopamine and serotonin systems.
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