All of the following are second generation antipsychotics except
haloperidol (Haldol)
ziprasidone (Geodon)
risperidone (Risperdal)
olanzapine (Zyprexa)
The Correct Answer is A
A. Haloperidol (Haldol) is a first-generation (typical) antipsychotic that primarily blocks dopamine (D2) receptors. It is associated with a higher risk of extrapyramidal side effects (EPS), including dystonia, akathisia, and tardive dyskinesia, compared to second-generation antipsychotics.
B. Ziprasidone (Geodon) is a second-generation (atypical) antipsychotic that blocks both dopamine (D2) and serotonin (5-HT2A) receptors. It has a lower risk of EPS but can cause QT prolongation, requiring ECG monitoring in patients with cardiac conditions.
C. Risperidone (Risperdal) is a second-generation antipsychotic with dopamine and serotonin antagonism. It is effective for schizophrenia, bipolar disorder, and irritability in autism but has a higher likelihood of prolactin elevation and EPS at higher doses.
D. Olanzapine (Zyprexa) is a second-generation antipsychotic known for its high risk of metabolic side effects, including weight gain, diabetes, and dyslipidemia. It has a lower risk of EPS compared to first-generation antipsychotics.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Meaningless rhythm of words. This describes word salad, a disorganized speech pattern where words are strung together without logical connection, often seen in schizophrenia or severe psychosis.
B. Roundabout. This refers to circumstantial speech, where an individual provides excessive, unnecessary details before eventually arriving at the main point. This is commonly seen in mania, obsessive-compulsive disorder (OCD), or cognitive impairment.
C. Made-up words. Neologisms are newly invented words or phrases that have no meaning to others but may carry personal significance to the individual. This is frequently observed in schizophrenia, psychotic disorders, or neurological conditions like aphasia.
D. Repeating of another's words. This describes echolalia, a speech disturbance where a person repeats words or phrases spoken by others, often seen in autism spectrum disorder (ASD), schizophrenia, or catatonia.
Correct Answer is C
Explanation
A. Lack of motivation. Avolition, not alogia, refers to a severe lack of motivation to initiate and sustain goal-directed activities. It is a common negative symptom of schizophrenia, leading to difficulties in completing tasks such as hygiene, work, or social activities.
B. No empathy. Lack of empathy is more commonly associated with antisocial personality disorder (ASPD) or narcissistic personality disorder (NPD) rather than schizophrenia. Individuals with schizophrenia may struggle with social interactions, but this is due to cognitive deficits rather than a lack of concern for others.
C. Reduction in quantity of words spoken. Alogia refers to poverty of speech, characterized by diminished verbal output and difficulty generating spontaneous speech. It is a negative symptom of schizophrenia, often presenting as brief, empty responses or difficulty engaging in conversation.
D. Inability to experience pleasure. Anhedonia refers to the inability to feel pleasure in activities that were once enjoyable. It is another negative symptom of schizophrenia and is also seen in major depressive disorder and other mood disorders.
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