This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cranial cavity, Subject name: Anatomy
Which of the following passes through the foramen magnum? 
Select and explain. 
A. Veebral aery, B. XII cranial nerve, C. Cranial pa XIth nerve, D. Internal carotid aery
A: Veebral aery
Answer: A: Veebral aery 
Explanation: Foramen magnum transmits Lower end of medulla Anterior spinal aery Posterior spinal aery 4th pa of veebral aery Spinal pa of XIth nerve Other structures: Apical ligament and tip of dens, membrana tectoria, veical band of Cruciate Ligament.