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: ENT
Which is not seen in fracture maxilla: 
Select and explain. 
A. CSF rhinorrhea, B. Malocclusion, C. Anesthesia upper lip, D. Surgical emphysema
D: Surgical emphysema
Answer: D: Surgical emphysema 
Explanation: Clinical Features of Maxilla--Common to All Types Malocclusion of teeth Elongation of mid face Undue mobility of maxilla Specific Clinical Features CSF rhinorrhea is seen in Le Fo II and Le Fo III fracture as cribriform plate is injured. Injury to infraorbital nerve is seen in Le Fo II fracture. So anesthesia will be seen in area of supply of infraorbital nerve injury viz. cheek and upper lip (area of supply of infraorbital nerve).