This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Integrated QBank, Subject name: Anatomy
A 20-year-old male presented to the ER with altered sensorium, sho term memory loss and severe headache after suffering a road side accident. There was evidence of injury to the skull. The doctor got a NCCT head done. The aery most commonly involved in the above condition passes through which of the following structures: - 
Select and explain. 
A. PA D, B. PA A, C. PA B, D. PA C
C: PA B
Answer: C: PA B 
Explanation: Pa A - Foramen ovale Pa B - Foramen spinosum Pa C - Foramen lacerum Pa D - Jugular foramen This is a case of extradural hemorrhage following trauma to the skull. It is most commonly caused due to the middle meningeal aery. Structures passing through foramen spinosum: - Middle meningeal aery Middle meningeal vein Meningeal branch of mandibular nerve