This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.N.S, Subject name: Medicine
A head injured patient, who Opens eyes to painful is confused and localizes to pain. What is his Glassgow coma Score 
Select and explain. 
A. 7, B. 9, C. 11, D. 13
C: 11
Answer: C: 11 
Explanation: Harrison's principles of internal medicine 17th edition *Glasgow coma score eye opening 4-spontaneous,3- verbal stimuli, 2- painful stimuli,1-no response ( nonintubated). 5- oriented and talks, 4- disoriented and talks,3-inappropriate words,2- incomprehensible sounds,1-no response verbal(intubated). 5- seems able to talk,3- questionable ability to talk,1-generally unresponsive activity. 6- verbal command,5- localises to pain,4-withdraws to pain,3- decoicate,2- decerebrate,1-no response