C. Posterior Cranial Fossa

Question 1

What forms the roof of the posterior cranial fossa?

Answer 1

the tentorium cerebelli

Question 2

What part of the central nerve system occupies the posterior cranial fossa?

Answer 2

the cerebellum, pons, and medulla oblongata

Question 3

What are the contents of the internal acoustic meatus?

Answer 3

cranial nerves VII (facial nerve) and VIII (vestibulocochlear/auditory nerve), the nervus intermedius/ nerve of Wrisberg/ sensory root of VII and the motor root of VII, the vestibular and cochlear roots of VIII and the internal auditory/ internal labyrinthine artery and vein

Question 4

What cranial nerves are located within the jugular foramen?

Answer 4

cranial nerves IX (glossopharyngeal), X (Vagus) and XI (spinal accessory)

Question 5

What are the contents of the hypoglossal canal?

Answer 5

cranial nerve XII (hypoglossal)