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: Forensic Medicine
Orbital blow-out fracture involves: AIIMS 09; FMGE 10; MP 10; JIPMER 11; Bihar 11; PGI 11 
Select and explain. 
A. Lateral wall and floor of orbit, B. Medial wall and floor or orbit, C. Lateral wall and roof or orbit, D. Medial wall and roof or orbit
B: Medial wall and floor or orbit
Answer: B: Medial wall and floor or orbit 
Explanation: Ans. Medial wall and floor or orbit