Head and neck

Question 1

the glossopharyngeal nerve exits what foramen in the skull?

Answer 1

jugular formaen

Question 2

list the caranial nerves that exit the jugular foramen?

Answer 2

Jugular foramen (CN IX, X, XI, jugular
vein)

Question 3

list the foramen of the posterior cranial fossa>

Answer 3

Internal auditory meatus (CN VII, VIII)
􏲡Jugular foramen (CN IX, X, XI, jugular
vein)
􏲡 Hypoglossal canal (CN XII)
􏲡 Foramen magnum (spinal roots of CN XI,
brain stem, vertebral arteries)

Question 4

list the functions of the CN IX

Answer 4

Taste and somatosensation from posterior 1/3 of tongue, swallowing, salivation (parotid gland), monitoring carotid body and sinus chemo- and baroreceptors, and stylopharyngeus (elevates pharynx, larynx)