A client with orthopnea expresses concern about the ability to "Get enough air" during a scheduled thoracentesis. On which information should the nurse's response be based?

Orthopnea is frequently caused by a client's uncontrolled anxiety.

thoracentesis is a brief procedure that has minimal discomfort.

The procedure is performed with the client in an upright position.

Extra pillows can be used if needed to elevate the client's head.