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
The most common neurologic abnormality that occurs with head injury is- 
Select and explain. 
A. Hemiplegia, B. Ocular nerve palsy, C. Altered consciousness, D. Convulsion
C: Altered consciousness
Answer: C: Altered consciousness 
Explanation: None