4. Skull Lecture

Question 1

Which nerve is associated with the cribiform plate?

Answer 1

Olfactory nerve

Question 2

Which nerve is associated with the optic canal?

Answer 2

Optic nerve

Question 3

Describe a cleft palate

Answer 3

Incomplete closure of the palatine bone; or poor development of the palatine bone that causes problems with speech and swallowing

Question 4

Describe a Le Fort 1 fracture

Answer 4

Fracture of the floor of the maxilla that goes posteriorly

separation of the hard palate from the upper maxilla due to a fracture that runs through the maxilla and pterygoid plates at a level just above the floor od the nose

Question 5

Describe a Le fort II fracture

Answer 5

Goes through the zygomaticomaxillary suture and takes a medial section of the orbit

goes through the nasal bones, medial anterior orbital walls, orbital floor, inferior orbital rims and posterior maxilla and pterygoid plates

Question 6

Describe a Le Fort III fracture

Answer 6

Results in a craniofacial disjunction

Takes the entire zygomatic and more of the orbit

Question 7

Which nerves are associated with the superior orbital fissure?

Answer 7

Occulomotor (III)

Trochlear (IV)

Opthalmic division of the trigeminal nerve (V1)

Abducens (VI)

Question 8

Which nerve is associated with the foramen rotundum?

Answer 8

The maxillary division of the trigeminal nerve (V2)

Question 9

Which nerve is associated with the foramen ovale?

Answer 9

The mandibular division of the trigeminal nerve (V3)

Question 10

Which nerves are associated with the internal acoustic meatus?

Answer 10

Facial (VII)

Vestibulocochlear nerve (VIII)

Question 11

Which nerves are associated with the jugular foramen?

Answer 11

Glossopharyngeal nerve (IX)

Vagus nerve (X)

Accessory nerve (XI)

Question 12

What nerve is associated with the hypoglossal canal?

Answer 12

Hypoglossal nerve (XII)