Ans. A i.e. 8Patients with severe head injury, an altered level of consciousness, or a Glasgow Coma Scale (GCS) score of 8 or less usually require placement of a definitive airway.Orotracheal or nasotracheal intubation can be attempted with cervical spine precautions if a second person maintains axial immobilization of the head to prevent destabilization of the spine.In this patient, GCS score was 8, so endotracheal intubation was done to secure airway.You don't have to calculate the GCS score of this patient after intubation.