The patient with hemochromatosis and anemia has been prescribed deferasirox. Prior to prescribing the medication, the nurse reviews the patient’s chart and notes the patient also takes metronidazole. Which of the following actions by the nurse is most appropriate?

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 presents to the emergency department complaining of lightheadedness and states, “I feel like my heart is racing.” Upon assessment, the nurse notes the patient is diaphoretic and pale. Vital signs are significant for a heart rate of 220 bpm, blood pressure of 70/50 mm Hg, and oxygen saturations of 96%. The 12-lead EKG indicates supraventricular tachycardia. Which medication does the nurse prepare to administer?