The nurse is caring for a client with emphysema who is mildly dyspneic after ambulation. Which instruction should the nurse provide to the client to improve gas exchange?

C Raise hands above the head to expand the diaphragm. D Lay down on each side with knees bent and breathe from the abdomen. G A B Increase breathing rate for a full 30 seconds. A Draw air in through the nose and exhale slowly through pursed lips.