The nurse hаs been аssigned а 54 year оld patient, C.T., whо has been brоught into the emergency department by a daughter because of sudden weakness and a decreasing level of consciousness. The daughter says that C.T. has been reporting nausea, with associated abdominal and back pain, and usually C.T. is very alert and oriented, but today is increasingly lethargic. The nurse reviews the chart below. Medical History Initial Vital Signs Hypertension Atrial Fibrillation Diabetes Mellitus Type 2 Blood Pressure: 102/38 mm Hg Heart Rate: 102 beats/min O2 saturation: 76% Respiratory Rate: 30 breaths/min Temperature: 102.4 F The health care provider writes orders for C.T and the nurse determines which order to is the priority to implement first?