Final answer:
Haloperidol is the high potency first-generation antipsychotic drug among those listed.
Explanation:
The high potency first-generation antipsychotic among the options provided is Haloperidol. Haloperidol is known for its strong antagonistic action at dopamine D2 receptors, making it effective in treating positive symptoms of schizophrenia like hallucinations and delusions.
Learn more about Antipsychotic drugs here:
https://brainly.com/question/28586277
