Dissection 12

Question 1

Where is the carotid body located?

Answer 1

The bifurcation of the common carotid artery

Question 2

What are the anterior arteries of the external carotid artery?

Answer 2

The superior thyroid artery, the lingual artery, and facial artery

Question 3

What are the posterior arteries of the external carotid artery?

Answer 3

The ascending pharyngeal, the occipital artery, and the posterior auricular artery

Question 4

What are the terminal arteries of the external carotid artery?

Answer 4

Maxillary and superficial temporal arteries

Question 5

What artery passes between the anterior and middle scalenes?

Answer 5

The subclavian artery

Question 6

Where does the left subclavian artery come off of?

Answer 6

Aortic Arch

Question 7

Where does the right subclavian artery come off of?

Answer 7

Brachiocephalic Trunk

Question 8

What are the branches of the Subclavian Artery?

Answer 8

Vertebral, Thyrocervical trunk, and internal thoracic trunk

Question 9

What are the branches of the thyrocervical trunk?

Answer 9

Inferior thyroid, Transvers cervical artery, ascending cervical, and supracapsular artery

Question 10

What vein runs anterior to the anterior scalene muscle?

Answer 10

The subclavian vein

Question 11

Where does the thoracic duct collect lymph from

Answer 11

Everywhere except the right head, thorax, and upper limb

Question 12

What innervates the stylohyoid?

Answer 12

The facial nerve

Question 13

What innervates the stylopharyngeus?

Answer 13

The glossopharyngeal nerve

Question 14

Where does the glossopharyngeal nerve exit?

Answer 14

The jugular foramen

Question 15

What does the branchiomotor branch of CN IX innervate?

Answer 15

stylopharyngeus muscle

Question 16

What does the general somatosensory branch of CN IX innervate?

Answer 16

posterior 1/3 of the tongue, pharynx, and middle ear

Question 17

What does the general viscerosensory branch of CN IX innervate?

Answer 17

Carotid body and sinus

Question 18

What does the special viscerosensory branch of CN IX innervate?

Answer 18

Taste from the posterior 1/3 of the tongue

Question 19

What does the visceromotor (parasym) branch of CN IX innervate?

Answer 19

Parotid gland

Question 20

The lesser petrosal comes from which CN and carries what?

Answer 20

CN IX and parasympathetics

Question 21

Where does the lesser petrosal nerve synapse?

Answer 21

Otic ganglion

Question 22

Where does the vagus nerve exit the skull?

Answer 22

jugular foramen

Question 23

What does the branchiomotor branch of CN X innervate?

Answer 23

The larynx, pharynx, and soft palate

Question 24

What does the visceromotor branch of CN X innervate?

Answer 24

thoracic organs, GI tract, glands of the pharynx and larynx

Question 25

What does the general somatosensory branch of CN X innervate?

Answer 25

larynx, parts of the pharynx, and the external auditory meatus

Question 26

What does the special viscerosensory branch of CN X innervate?

Answer 26

Taste from the epiglottis

Question 27

What does the general viscerosensory branch of CN X innervate?

Answer 27

Thoracic and abdominal organs

Question 28

What does the internal branch of the superior laryngeal nerve carry?

Answer 28

General somatosensory from the epiglottis to the vocal cords

Question 29

What does the external branch of the superior laryngeal nerve carry?

Answer 29

Branchiomotor to the cricothyroid muscle

Question 30

What does the recurrent laryngeal nerve carry?

Answer 30

Branchiomotor to all intrinsic muscles of the larynx (except the cricothyroid) and general somatosensory from the larynx inferior to the vocal cords

Question 31

Horner's syndrome results from?

Answer 31

Injury to the superior cervical ganglion and/or the sympathetic pathway to the head

Question 32

A midline pyramidal lobe is a common remnant of what?

Answer 32

The thyroglossal duct

Question 33

Remnants of the thyroglossal duct or thyroid tissue can occur where?

Answer 33

Lingual thyroid, thyroglossal cysts, and pyramidal lobe of thyroid

Question 34

What artery does the superior thyroid artery come off of?

Answer 34

The external carotid artery

Question 35

Where does the superior laryngeal artery come off of?

Answer 35

The superior thyroid artery

Question 36

How many parathyroid glands are there?

Answer 36

4

Question 37

Where does the superior laryngeal artery come from?

Answer 37

External carotid--> superior thyroid--> superior laryngeal

Question 38

what does the ascending pharyngeal artery supply?

Answer 38

The pharynx, middle ear, and meninges

Question 39

What does the occipital artery supply?

Answer 39

The scalp and the sternocleidomastoid

Question 40

What does the posterior auricular artery supply?

Answer 40

The scalp, adjacent muscles, parotid gland and auricle

Question 41

What are the branches of the thyrocervical trunk?

Answer 41

inferior thyroid, ascending cervical, transverse cervical, and supracapsular

Question 42

What does the ascending cervical artery supply?

Answer 42

pharynx

Question 43

What does the transverse artery supply?

Answer 43

muscles that attach to the scapula

Question 44

What are the sensory ganglia of CN IX

Answer 44

inferior and superior ganglia