This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
Which of the following statement is true with reference to the Glassgow coma scale: 
Select and explain. 
A. In the first 24 hr. following a head injury an overall score of 11 indicates a good prognosis, B. An overall score of less than 9 indicates a poor prognosis, C. Gives an accurate impression of the neurological status, D. Cannot be assessed in an unconscious patient
B: An overall score of less than 9 indicates a poor prognosis
Answer: B: An overall score of less than 9 indicates a poor prognosis 
Explanation: None