<prompt> The earliest manifestation of increased intracranial pressure following head injury is -Ipsilateral pupillary dilatationContralateral pupillary dilationAltered mental statusHemiparesis  <response>: Ans. is c i.e., Altered mental status o Early signs of elevated ICP include drowsiness and a diminished level of consciousness.o Coma and unilateral pupillary changes are late signs and require immediate intervention. - Harrison 