The Nurse Receives Report for 4 Clients in the Emergency

The nurse receives report for 4 clients in the emergency department.  Which client should be seen first?

A) 30-year-old with a spinal cord injury at L3 sustained in a motor cycle accident who reports lower abdominal pain and difficulty urinating
B) 33-year-old with a seizure disorder admitted with phenytoin toxicity who reports slurred speech and unsteady gait
C) 65-year-old with suspected brain tumor waiting to be admitted for biopsy who reports throbbing headache and had emesis of 250 mL
D) 70-year-old with atrial fibrillation and a closed-head injury waiting for brain imaging who reports a headache and had emesis of 200 mL