This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
Blow out fracture orbit may involve 
Select and explain. 
A. Floor, B. Apex, C. Lateral wall, D. Base
A: Floor
Answer: A: Floor 
Explanation: Since medial wall is the weakest wall ,it can be involved in blow out fracture along with the floor. Such patients present with subcutaneous emphysema Refer khurana 6/e 410