The patient with chronic alcoholism begins parenteral nutrition (PN) at a rate of 50 mL/h for treatment of severe malnutrition. Four hours after the infusion begins, the patient’s urine output increases from 40 mL/h to 200 mL/h. The nurse contacts the provider to request which order?  

The patient’s stool sample is positive for Entamoeba histolytica. The nurse plans education about which class of medication for this patient?

The nurse is caring for a patient with schizophrenia who has bacterial endocarditis secondary to intravenous drug use. The patient’s antipsychotic medication is changed from risperidone to clozapine. Within days, the patient develops a serious cardiac arrhythmia. The nurse attributes the patient’s arrhythmia to which cause?