<prompt> Blow out fracture of the orbit, most commonly leads to fracture of -Posteromedial floor of orbitMedial wall of orbitLateral wall of orbitRoof of orbit  <response>: The most common site for a blowout fracture to occur is the posteromedial aspect of the orbital floor, medial to the infraorbital neurovascular bundle where the maxillary bone is very thin. - The Internet Journal of Otorhinolaryngology. 