A Patient Is in the Emergency Department After Sustaining a Blow

A patient is in the emergency department after sustaining a blow to the head in a motor vehicle accident. The patient's Glasgow Coma score (GCS) is 14 and the patient is drowsy. The patient has a small amount of blood in one external auditory canal. Which is a priority in diagnosing the extent of injury in this patient?

A) Close monitoring of pulse, respiration, and oxygenation
B) Continued assessment of neurological status
C) Magnetic resonance imaging of the head
D) Non-enhanced computed tomography of the head