An older adult client is prescribed levothyroxine 75 mcg/day for the treatment of hypothyroidism. Before administering the medication, the nurse obtains a set of vital signs including SaO2 94%, temperature 35.9°C (96.6°F), respiratory rate 22 breaths/min, blood pressure 114/84 mm Hg, and radial heart rate 97 beats/min. What is the nurse's best action?