Exam 2 CN X Vagus

Question 1

Name the four nucleuses which are connected to the vagus nerve.

Answer 1

Dorsal Vagal Nucleus - visceral efferent
Nucleus Ambiguus - branchial efferent
Tractus Solitarius - special sense
Spinal nucleus of trigeminal - general sensory

Question 2

Name the related cranial nerves to the nucleus of the tractus solitarius

Answer 2

Upper= Great Petrosal N and Chorda Tympanic N
Middle = Glossopharyngeal N
Lower= Internal Laryngeal N of Vagus
-facial, glossopharyngeal, vagus

Question 3

The superior ganglion of Vagus is also known as

Answer 3

Jugular ganglion

Question 4

The nodose ganglion is known as

Answer 4

Inferior Vagal Ganglion

Question 5

The meningeal nerve of the vagus arises from this

Answer 5

Jugular ganglion

Question 6

Name the nerves which arise from the jugular ganglion

Answer 6

Meningeal and Auricular branch of Vagus

Question 7

Name the nerves which arise from the nodose ganglion.

Answer 7

Pharyngeal
Branch to Carotid Body
Superior Laryngeal Nerve

Question 8

Name the nerve which is distributed to the posterior wall of the external acoustic meatus.

Answer 8

Auricular branch of vagus

Question 9

Name the branch of the vagus which joins the posterior auricular nerve of the facial nerve

Answer 9

Auricular branch of vagus

Question 10

Name the nerve which crosses the 1st part of the right subclavian artery

Answer 10

R side of the Recurrent Laryngeal N

Question 11

Name the nerves which supply the carotid body

Answer 11

Branch to the carotid body

Carotid n of glossopharyngeal

Question 12

The superior laryngeal n arises from this

Answer 12

Middle of nodose ganglion

Question 13

Name the nerve which supplies the sensory fibers to above the vocal fold of the larynx

Answer 13

Internal Laryngeal n of Superior Laryngeal n

Question 14

Name the nerve which supplies the aryepiglottic fold

Answer 14

Lower branch of Internal Laryngeal n

Question 15

Name the nerve which innervates the cricothyroid muscle

Answer 15

External Laryngeal n of Superior Laryngeal n

Question 16

Name the nerve which winds the aortic arch just behind the ligamentum arteriosum

Answer 16

Left side of the Recurrent Laryngeal n

Question 17

Name the nerve which innervates to all the laryngeal muscles except the cricothyroid muscle

Answer 17

Recurrent Laryngeal N of Vagus

Question 18

Name the nerve which supplies sensory fibers to the mucous membrane below the vocal folds of the larynx.

Answer 18

Recurrent laryngeal N of vagus

Question 19

The 2nd to 5th or 6th thoracic ganglia of the sympathetic trunk join this

Answer 19

R posterior pulmonary plexus

Question 20

The 2nd, 3rd and 4th thoracic ganglia join this

Answer 20

L posterior pulmonary plexus

Question 21

The anterior vagal trunk is formed mainly by what?

Answer 21

Anterior part of esophageal plexus

Question 22

Name the four branches from the vagus nerve in the thorax

Answer 22

Cardiac
Recurrent Laryngeal n (left)
Pulmonary
Esophageal

Question 23

Name the nerve which is distributed to the dura mater in the posterior cranial fossa

Answer 23

Meningeal branch of vagus

Question 24

Name the principal motor nerve of the pharynx

Answer 24

Pharyngeal N of vagus

Question 25

The cranial root of the accessory nerve is mainly carried by what 2 nerves?

Answer 25

Pharyngeal N of Vagus

Recurrent Laryngeal n of Vagus

Question 26

The vagal fibers of the pharyngeal plexus innervate the muscles of the soft palate except this muscle

Answer 26

Tensor veli palatini

Question 27

The fiber from the pharyngeal nerve of the vagus joins the hypoglossal nerve, which is also known as this

Answer 27

Ramus lingularic vagi

Question 28

The large celiac branch is mainly from this

Answer 28

Posterior vagal trunk

Question 29

In the abdomen, the posterior vagal trunk divides into what 2 branches?

Answer 29

Small gastric branch

Large celiac branch

Question 30

Name the 4 plexuses which the celiac branch of the posterior vagal trunk supplies.

Answer 30

Splenic
Hepatic
Renal/suprarenal
Superior mesenteric plexus