The nurse in a burn intensive care unit (bicu) is caring for a 3-year-old boy who was burned with scalding hot water. he has burns covering 75 percent of his body. his condition is critical but stable. at 1000, the nurse reassesses the client and finds that he is agitated and pulling at his endotracheal tube. what would be the nurse's priority? ensuring that the endotracheal tube is secure providing medication for agitation dressing change to prevent infection repositioning to prevent pressure ulcers