<prompt> Which of the following passes through the foramen magnum?Veebral aeryXII cranial nerveCranial pa XIth nerveInternal carotid aery  <response>: 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. 