The nurse is caring for the patient with prostate cancer that has metastasized to the bone. The physician has prescribed extended-release oxycodone to treat severe bone pain. The patient expresses to the nurse he is concerned he will become addicted to the opioid pain medication given what you see on television. Which response from the nurse is most appropriate?

The nurse is preparing to insert an intravenous catheter into the patient with a BMI of 39. Which angle of insertion does the nurse utilize in order to most likely maximize the chance of successfully entering the vessel? 

The nurse is preparing to discharge the patient following surgical creation of an arteriovenous fistula. For which complication is this patient most at risk?