A nurse is providing care for a patient admitted with a temp…

A nurse is providing care for a patient admitted with a temperature of 101.3°F, pulse 98 beats per minute, 34 respirations per minute, and blood pressure 106/54 mm Hg.  02 Saturation of 89%.  The patient reports chills, nausea, vomiting, diarrhea, and weakness for the past 2 days. Which of the following physician orders should the nurse complete first?