This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
Which of the following is an antipsychotic drug ? 
Select and explain. 
A. Flupenthixol, B. Rasagiline, C. Clobazam, D. Divalproex
A: Flupenthixol
Answer: A: Flupenthixol 
Explanation: Ans. is 'a' i.e., Flupenthixol Antipsychotics (Neuroleptics) Antipsychotics are a group of psychoactive drugs commonly used to treat psychosis, e.g. Schizophrenia. Antipsychotic drugs are divided into: Typical antipsychotics (first generation antipsychotics) Phenothiazines - Chlorpromazine, Thioridazine, Trifluperazine, Fluphenazine. Thioxanthenes - Thiothixene, Flupenthixol. Butyrophenones - Haloperidol, Trifluperidol, Penfluridol. Other heterocyclics - Pimozide, Loxapine, Sulpiride B) Atypical antipsychotics (second generation antipsychotics) 1. Clozopine 3. Olanzopine 5. Aripiprazole 2. Risperidon 4. Quetiapine 6. Ziprasidone