Abo_shousha_cns_quiz_17_antipsychotics
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Typical antipsychotic drugs:
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Strongly block postsynaptic D2 receptor
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Stimulate postsynaptic D2 receptor
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Block NMDA receptor
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Block NMDA receptor
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.
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- 2.
The major limitation in the use of clozapine for treatment of schizophrenia is:
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Production of hyperprolactinemia
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Its inability to benefit negative symptoms of schizophrenia
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High incidence of extra pyramidal side effects
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Its potential to cause agranulocytosis
Correct Answer
A. Its potential to cause agranulocytosis -
- 3.
Tardive dyskinesia is the result of:
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Degeneration of dopaminergic and cholinergic fibers
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Hyperactive dopaminergic state in the presence of dopamine blockers
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Degeneration of histaminergic fibers
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Supersensitivity of cholinergic receptors in the caudate-putamen
Correct Answer
A. Hyperactive dopaminergic state in the presence of dopamine blockers -
- 4.
Hyperprolactinemia is caused by blockade of dopamine in:
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The pituitary
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The chemoreceptor trigger zone of the medulla
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The extrapiramidal system
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The mesolimbic and mesofrontal systems
Correct Answer
A. The pituitary -
- 5.
Which of the following antipsychotic agents is used in combination with an opioid drug fentanyl inneuroleptanalgesia?
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Haloperidol
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Droperidol
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Chlorpromazine
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Clozapine
Correct Answer
A. Droperidol -
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Current Version
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Jul 20, 2018Quiz Edited by
ProProfs Editorial Team -
Dec 08, 2017Quiz Created by
DrHAboshousha
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