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Antipsychotic Drugs Mechanism of Action Quiz

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Antipsychotic Drugs Mechanism of Action Quiz

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Questions and Answers

Which receptors do 1st generation (typical) antipsychotic drugs primarily act as antagonists for?

D1 receptors

Serotonin receptors

D3 receptors

D2 receptors (correct)

What is the mechanism of action for 2nd generation (atypical) antipsychotic drugs?

D1 antagonists

Serotonin-dopamine antagonists with more selectivity for D2 receptors (correct)

D2 agonists

Serotonin agonists

Which category of antipsychotic agents includes Phenothiazines and Thioxanthenes?

Conventional Antipsychotic Agents (correct)

Second-generation Antipsychotic Agents

Atypical Antipsychotic Agents

Major Tranquilizers

What are the typical antipsychotics used to treat specifically?

<p>Psychosis, particularly schizophrenia</p> Signup and view all the answers

What is the main indication for Phenothiazines (major tranquilizers)?

<p>Management of psychotic disorders</p> Signup and view all the answers

Study Notes

Antipsychotic Drugs

1st generation (typical) antipsychotic drugs primarily act as antagonists for dopamine (D2) receptors.

Mechanism of Action

2nd generation (atypical) antipsychotic drugs have a mechanism of action that involves blocking serotonin 5-HT2 receptors and dopamine D2 receptors, with a higher affinity for serotonin receptors.

Antipsychotic Agents

Phenothiazines and Thioxanthenes are categorized as typical antipsychotic agents.

Typical Antipsychotics

Typical antipsychotics are used to treat psychotic symptoms, including hallucinations, delusions, and disorganized thinking and behavior, in conditions such as schizophrenia, bipolar disorder, and psychotic depression.

Phenothiazines

The main indication for Phenothiazines (major tranquilizers) is to treat psychosis, particularly in schizophrenia.

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Description

Test your knowledge about the mechanism of action and uses of antipsychotic drugs, including first generation (typical) and second generation (atypical) drugs. Learn about their effects and potential side effects.