Problem: A client is receiving oxygen by way of a nasal cannula at a rate of 2 L/minute. How can the nurse promote oxygenation in this client? Select all that apply. Give the client an extra dose of a narcotic to allow for rest and sleep. Set the line marked "2" so it cuts the ball in half. Decrease anxiety in the client. Position client in Fowler's position. Set any part of the ball so it touches the line marked "2."