Which term does the nurse document to best describe a client experiencing shortness of breath when lying down who must assume an upright or sitting position to breathe more comfortably and...

Which term does the nurse document to best describe a client experiencing shortness of breath when lying down who must assume an upright or sitting position to breathe more comfortably and effectively?

1. Dyspnea

2. Hyperpnea

 3. Orthopnea

 4. Acapnea