Most common receptor for typical antipsychotics is ?
Correct Answer: D2
Description: Ans. is 'b' i.e., D2 ANTIPSYCHOTICS Antipsychotic (neuroleptic) drugs can be divided into typical and atypical. Typical Block D2 receptors Have significant extrapyramidal symptoms (except for thioridazine) - Parkinsonism, Acute muscular dystonia, Akathisia, Malignant neuroleptic syndrome, Tardive dyskinesia. Atypical These are newer generation (second generation) antipsychotics that have weak D2 blocking but potent 5-HT2 antagonistic activity. Called atypical because they have no D2 blocking propey (except resperidone). Extrapyramidal side effects are minimal (Resperidone can cause some extrapyramidal effects). Have no antiemetic effect. Examples are - Clozapine, Risperidone, Olanzapine, Quetiapine, Aripiprazole, Ziprasidone.
Category:
Pharmacology
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now