Which of the Following is True of the Foramen Magnum

Question

Which of the following is true of the foramen magnum?
A) It allows passage of the carotid arteries into the head.
B) It is located between the parietal and occipital bones.
C) It is located in the inferior surface of the occipital bone.
D) It is the second largest foramen in the cranium.
E) It primarily provides passage for the optic nerve.

Accepted Answer

The foramen magnum is located in the inferior surface of the occipital bone, at the base of the skull. It allows for the passage of the spinal cord and certain blood vessels, but not the carotid arteries or optic nerve. It is also the largest foramen in the cranium.