An infant has been admitted to the hospital for gastroenteritis. Friends of the family stayed in the room while the patient’s father talks to other family members in the lobby. The nurse prepares to remove an infiltrated IV line and place a new one. The visitor stops the nurse and insists that the nurse obtains consent from the parents. Which is the most appropriate response?

The recently-discharged patient sends a social media message to the nurse asking for her full diagnosis. Which response by the nurse is appropriate?

The elderly patient is brought to the ER by ambulance for confusion, slurred speech, and right-sided weakness. Vital signs, including body temperature and blood pressure, are normal. As the patient is waiting for an urgent head CT, the nurse performs which test first?