cranial nerves

Question 1

1. olfactory

Answer 1

1. Special sensory
2. Olfactory epithelium (olfactory cells)
3. Foramina in cribriform plate of the ethmoid bone
4. Special somatic sensory
5. Olfaction
6. None
7. None

Question 2

2. optic

Answer 2

1. Special sensory
2. Retina (ganglion cells)
3. Optic canal
4. Special somatic sensory
5. Vision from retina
6. None (retina)
7. none

Question 3

3. oculomotor

Answer 3

1. Somatic motor/visceral motor
   2 Midbrain/midbrain (presynaptic), ciliary ganglion (postsynaptic)
2. Superior orbital fissure
3. Somatic motor/parasympathetic
4. Levator palpebrae superior and all extraocular muscles, except for superior oblique and lateral rectus/parasympathetics to pupil constrictor and ciliary muscles for near vision
5. Ciliary ganglion
6. Parasympathetics to iris and ciliary muscle

Question 4

4. trochlear

Answer 4

1. Somatic motor
2. Midbrain
3. Superior orbital fissure
4. Somatic motor
5. Superior oblique muscle; causes depression and intorsion of the eye
6. None
7. None

Question 5

5. trigeminal

Answer 5

1. Opthalmic
2. Somatic (general) sensory
3. Trigeminal ganglion
4. Superior orbital fissure
5. Maxillary
6. somatic (general) sensory
7. Trigeminal ganglion
8. Foramen rotundum
9. Mandibular
10. Somatic (brachial) motor
11. Pons
12. Foramen ovale
13. General somatic sensory/branchial motor
14. Sensations of touch, pain, temperature, joint position, and vibration for the face, mouth, anterior two-thirds of tongue, nasal sinuses, and meninges/muscles of mastication and tensor tympani muscles
15. Trigeminal ganglion (semilunar or gasserian ganglion
16. Primary sensory neuron cell bodies for sensation in the face, mouth, sinuses, and supratentorial meninges.

Question 6

6. abducens

Answer 6

1. Somatic motor
2. Pons
3. Superior orbital fissure
4. Somatic motor
5. lateral rectus muscle; causes abduction of the eye
6. None
7. none