The patient is prescribed phenytoin for treatment of a seizure disorder. The nurse instructs the patient about which adverse effect of treatment? 

A 6-day-old neonate in the newborn intensive care unit has been prescribed oxacillin for a suspected central line-associated bloodstream infection. The nurse receives the following order: oxacillin IV 50 mg/kg/day, divided q12h. The neonate weighs 2 lb. 11 oz and the pharmacy dispenses the medication in a concentration of 20 mg/mL. How many milliliters will the nurse administer for each dose? Round your answer to the nearest tenth decimal place.

The 21-year-old patient with a body mass index of 10.1 undergoes placement of a peripherally inserted central catheter (PICC) at 1000 and total parenteral nutrition (TPN) is initiated at 1200. At 1600, 160 mL have infused and the patient is noted to be breathing shallowly, there is blood oozing from the PICC insertion site, and the patient is exhibiting confusion. Which action does the nurse perform first?