A nurse is reviewing prescriptions for a client who has acut…

A nurse is reviewing prescriptions for a client who has acute dyspnea and diaphoresis.  The client states she is anxious and is unable to get enough air.  Vital signs are heart rate /min, respirations of 30/min, temperature 38.4° C, and blood pressure 100/54 mmHg.  Which of the following nursing actions is the priority?