SBA — Single Best Answer · Review
Question 459
Pharmacology → General
Classification
Question
SSBAQuestion Header
Which drug-class pairing is correctly?
Question Stem
Select the single best answer.
Options
A
Haloperidol — phenothiazine
B
Flupenthixol — butyrophenone
C
Clozapine — thioxanthene
D
Risperidone — atypical antipsychotic
E
Chlorpromazine — other heterocyclic antipsychotic
Explanation
Risperidone among the atypical antipsychotics, together with drugs including clozapine, aripiprazole, ziprasidone and olanzapine. Haloperidol is a butyrophenone, flupenthixol a thioxanthene and chlorpromazine a phenothiazine.
Option Validity
A) Haloperidol is classified as a butyrophenone rather than a phenothiazine.
B) Flupenthixol is classified as a thioxanthene rather than a butyrophenone.
C) Clozapine is classified as an atypical antipsychotic rather than a thioxanthene.
E) Chlorpromazine is classified as a phenothiazine rather than an other heterocyclic antipsychotic.
Further Reading
Saxena R. Textbook for MRCOG-1. Chapter 12: Pharmacology. Antipsychotic Drugs, pp.345–346.