A 68-year-old client who had a myocardial infarction 2 days ago and reports chest pain as a 4 on a scale of 0 to 10.

A 48-year-old client who has AIDS, pneumocystis pneumonia, and a temperature of 38.3° C (101° F).

A 60-year-old client who has COPD, is receiving O₂ 2 L/min via a nasal cannula, and has an oxygen saturation of 89%.

A 26-year-old female client who has pelvic inflammatory disease and is unable to void.