A nurse is assisting in the admission of a 9-month-old infant who has gastroenteritis with vomiting and diarrhea. Which of the following findings is the nurse's priority? (Click on the exhibit tabs for additional information about the client. There are three tabs that contain separate categories of data.)Exhibit 1Exhibit 2Exhibit 3 Graphic RecordBlood pressure 68/46 mm Hg Heart rate 182/min Respiratory rate 32/minTemperature 38.8°C (101.9°F) SaO2 95% on room air