Pathways of the Vagus nerve (CN 10)

Question 1

If they are pharyngeal muscles, they are associated with…

Answer 1

Branchial arches

Question 2

Cranial nerve 10…

Preganglionic parasympathetic fibers come out through what to go to viscera of thorax and abdomen? Synapse where?

Answer 2

Through jugular foramen

Synapse in the intramural ganglion

Question 3

Cranial nerve 10…

Preganglionic parasympathetic fibers come out through what to go to the posterior pharynx?

Answer 3

Through the jugular foramen

Question 4

Cranial nerve 10…
Preganglionic parasympathetic fibers come out through what to go to the Laryngeal region? What nerve carries some parasympathetics from the “top”? What nerve carries some parasympathetics from the “bottom”?

Answer 4

Through the jugular foramen
Superior laryngeal nerve
Recurrent laryngeal nerve

Question 5

When things are secreted from glands, what type of activity is it?

Answer 5

Parasympathetic

Question 6

Recurrent laryngeal nerve comes back up toward larynx after it comes off of what?

Answer 6

The inside of the thorax

*has to travel all the way back up

Question 7

Cranial nerve 10…

Conscious control of the pharyngeal muscles comes from what? It also travels where?

Answer 7

Branchial motor
With the superior laryngeal nerve
With the recurrent laryngeal nerve

Question 8

Which laryngeal nerve does “most” of the conscious movement?

Answer 8

Recurrent laryngeal nerve

Question 9

Cranial nerve 10…

Where do the GENERAL sensory fibers go?

Answer 9

• Posterior pharynx
• Pharyngeal musculature
• Laryngeal musclulature

Question 10

Cranial nerve 10…

What is the special sense? Where does it go?

Answer 10

Taste

Goes to epiglottis

Question 11

The epiglottis is responsible for indicating when you do what?

Answer 11

Ingest water