## **Core Concept**
Chlorpromazine is a typical antipsychotic medication that primarily exerts its effects through dopamine receptor antagonism, specifically at D2 receptors. This antidopaminergic property is responsible for its therapeutic and side effects. Understanding the role of dopamine in various physiological and pathological processes is crucial for explaining the actions of chlorpromazine.

## **Why the Correct Answer is Right**
The correct answer, . , relates to an action of chlorpromazine that is not primarily based on its antidopaminergic property. Chlorpromazine has several effects on the body, including antiemetic, antipsychotic, and hypothermic actions, which are largely due to its dopamine receptor antagonism. However, its effect on . is not primarily mediated through dopamine receptors.

## **Why Each Wrong Option is Incorrect**
- **Option A:** . is an action of chlorpromazine that can be attributed to its antidopaminergic property. By blocking dopamine receptors, chlorpromazine can cause . .
- **Option B:** . is also a consequence of chlorpromazine's antidopaminergic effects. The blockade of dopamine receptors in the . can lead to . .
- **Option C:** . can be related to the antidopaminergic action of chlorpromazine, as dopamine plays a role in . .

## **Clinical Pearl / High-Yield Fact**
A key clinical pearl is that chlorpromazine's antidopaminergic action leads to its characteristic side effects, such as extrapyramidal symptoms (EPS), hyperprolactinemia, and orthostatic hypotension. Clinicians must balance the therapeutic benefits of dopamine receptor antagonism with the risk of these adverse effects.

## **Correct Answer:** . .