ANCC IQ domain 3 Questions And Answers With Rationales

The PMHNP treating a patient for schizophrenia on ziprasidone orders an electrocardiogram. Which QTc interval result places the patient at greatest risk for torsades de pointes? - 300-500 milliseconds - 500-700 milliseconds - 160-260 milliseconds - 100-200 milliseconds Correct Ans:- - 500-700 milliseconds Rationale: A patient with a QTc interval of 500-700 milliseconds is at higher risk of developing torsades de pointes. 1. A patient with a diagnosis of schizophrenia has a history of suicidal ideation and suicide attempts. The PMHNP should consider which antipsychotic medication that is the only known antipsychotic to reduce the risk of suicide in schizophrenia? - Invega (iloperidone) - Abilify (aripiprazole) - Latuda (lurasidone) - Clozaril (clozapine) Correct Ans:- - Clozaril (clozapine) Rationale: Clozaril (clozapine) is the only known antipsychotic medication that has been shown to reduce the risk of suicide in patients diagnosed with schizophrenia