Prognosis in head injury is best given by

Ans. is 'a' i.e. Glasgow coma scale Glasgow coma scale is used to determine the conscious level of the patientIt is based on EVM i.e. Eye Opening, Verbal response & Motor responseA) Eye openingB) Verbal responseC) Motor responseSpontaneous - 4 To Voice - 3 To pain - 2 None - 01Oriented - 5 Confused - 4 Inappropriate words - 3 Incomprehensible sound - 2 None -1Obeys commands - 6 Localises pain - 5 Withdraws (pain) - 4 Flexion (pain) - 3 Extension (pain) - 2 None - 1Ranges from 3 to 15.A score of 7 or less is classed as comaA score of 9 or more excludes coma