The earliest manifestations of increased intracranial pressure following head injury is :
Answer is C (Altered mental status) : `Early signs of elevated ICP include drowsiness and a diminished level of consciousness (altered mental status). Coma and unilateral papillary changes are late signs and require immediate intervention.' -Harrisons
Ipsilateral papillary dilatation
Contralateral papillary dilatation
Altered mental status
Hemiparesis