Lecture 2: Cranial Autonomics

Question 1

What CN carries the parasympathetic fibers all over the head?

Answer 1

CN V

Question 2

What are the 3 main symptoms of Horner Syndrome?

Answer 2

• Ptosis: droopy eyelid
• Anhidrosis: No sweat
• Miosis: constricted pupil

(PAM Horner)

Question 3

What CNs exit through the superior orbital fissure?

Answer 3

CN III, IV, V1, VI

Question 4

Absence of what division of the autonomics is responsible for Horner Syndrome?

Answer 4

Sympathetic

On ipsilateral side of head

Question 5

What nerves of V3 carry PNS fibers?

Answer 5

Lingual N.

Auriculotemporal N.

Question 6

What autonomic division carries only short ciliary nerves?

Answer 6

Parasympathetic

Question 7

All sympathetic fibers are _______ arising from the _________ of the sympthatetic trunk.

In Regards to Autonomics in the Head

Answer 7

All sympathetic fibers are postganglionic arising from the superior cervical ganglion of the sympthatetic trunk.

Question 8

What nerves of V2 carry PNS fibers?

Answer 8

Zygomatic

Greater and lesser palatine

Posterior superior nasal

Question 9

What nerves of V1 carry PNS fibers?

Answer 9

Lacrimal N.

Short ciliary Ns.

Question 10

What cranial nerves carry preganglionic parasympathetic fibers?

Answer 10

CN III, VII, IX, X

Question 11

What 4 ganglia do the preganglionic parasympathetic fibers synapse onto?

Answer 11

Ciliary

Pterygopalatine

Otic

Submandibular

Question 12

The opening where Greater Petrosal N. and Deep Petrosal N. join is called what?

Answer 12

Foramen Lacerum