The nurse observes an adult client perform a return demonstration of diaphragmatic breathing. The client inhales while holding the abdomen, then removes the hand to allow expansion of the abdomen during exhalation. Which action should the nurse take after observing the client’s demonstration?

Remind the client to keep light pressure on the abdomen and cough after fully exhaling.

Confirm that the breathing technique was correct but hand pressure is not necessary.

Document that the client successfully demonstrated the diaphragmatic breathing technique.

Demonstrate how to expand the abdomen while inhaling and let it relax while exhaling.