A nurse is educating a client starting on risperidone. Which of the following statements best explains the unique pharmacological action of second-generation antipsychotics compared to first-generation antipsychotics?

They enhance dopamine transmission to improve cognitive function in schizophrenia.

They block dopamine and serotonin receptors, reducing extrapyramidal side effects.

They primarily block dopamine D2 receptors, leading to high rates of extrapyramidal symptoms.

They selectively block only serotonin receptors, improving mood without affecting dopamine.