Step 1: Recall the three components of the Glasgow Coma Scale: Eye opening (E, scored 1 to 4), Verbal response (V, scored 1 to 5) and Motor response (M, scored 1 to 6). The total ranges from 3 to 15.
Step 2: Score eye opening. Eye opening in response to pain corresponds to E = 2 (spontaneous = 4, to speech = 3, to pain = 2, none = 1).
Step 3: Score verbal response. Inappropriate words correspond to V = 3 (oriented = 5, confused = 4, inappropriate words = 3, incomprehensible sounds = 2, none = 1).
Step 4: Score motor response. Localising to pain corresponds to M = 5 (obeys commands = 6, localises pain = 5, withdrawal = 4, abnormal flexion = 3, extension = 2, none = 1).
Step 5: Add the components: \(E + V + M = 2 + 3 + 5 = 10\).
Answer: A (GCS = 10).