Problem: A nurse is caring for a patient in the emergency room brought in by ambulance who fell off a roof at work. There are no obvious ones and a patient is alert and oriented times four little signs include heart rate 138, respirations 32, blood pressure, 88/56, SPO2 92% room air. Which intervention should the nurse do first? A. Administer boils IV fluids B. Administer supplemental oxygen C. Obtain order for chest X-ray to assess for trauma induced atelectasis D. Assessed for blood in the urine, which could indicate internal bleeding.