A Nurse Is Caring for a Client Diagnosed with Anxiety

A nurse is caring for a client diagnosed with anxiety. The client becomes upset and begins to hyperventilate. What is the most important action by the nurse at this time?

A) Ask the client to breathe through one nostril with mouth closed.
B) Have the client breathe into a paper bag closed tightly over mouth.
C) Have the client breathe inhale through nostrils and blow out through mouth.
D) Have the client pant and deep breathe three times then blow out through mouth.