Other Cranial Nerves

Question 1

What are the 4 CN in the midbrain?

Answer 1

Olfactory optic oculomotor Trochlear

Question 2

What are the 4 CN in the pons ?

Answer 2

Trigeminal, abducens, facial, vestibulocochlear

Question 3

What are the 4 CN in the medulla?

Answer 3

Glossophryngeal, vagus, hypoglossal, spinal accessory

Question 4

Which CN are pure motor?

Answer 4

Pure Motor (CN III, IV, VI, XI, XII)

Question 5

What CN are pure sensory?

Answer 5

Pure Sensory (CN I, II, VIII)

Question 6

What CN are mixed Mtr n sensory.

Answer 6

Mixed (CN V, VII, IX, X)

Question 7

In the spinal cord is motor nuclei located medially or laterally?

Answer 7

Motor medially! Sensory laterally

Question 8

What are the 3 branches of the Trigeminal Nerve (CN V)

Answer 8

3 major branches:
• Ophthalmic division (V1) • Maxillary division (V2)
• Mandibular division (V3)

Question 9

What are the sx of Bell’s palsy

Answer 9

Symptoms:
• Facial weakness (LMN type) – ranges from mild to severe • Dry eye (parasympathetic)
• Retroauricular pain (sensory)
• Hyperacusis(stapedius)
• Ipsilateral taste loss to anterior tongue (taste)

Question 10

Do cards for slides before 37