Exam 3

Question 1

Innervation of platysma

Answer 1

cervical branch of CN VII

Question 2

Innervation of sternocleidomastoid

Answer 2

CN XI (spinal accessory)

C2 and C3 for pain and proprioception

Question 3

Innervation of trapezius

Answer 3

CN XI (spinal accessory)

C2 and C3 for pain and proprioception

Question 4

The hypoglossal nerve hitches a ride on what cervical nerve? What cervical levels does it come from?

Answer 4

Ansa cervicalis which comes from CN2 and CN3

Question 5

The ansa cervicalis provides what kind of innervation to what structures?

Answer 5

Motor innervation to all of the _____hyoid muscles + the sternothyroid muscle. Geniohyoid, thyrohyoid, sternohyoid, anterior omohyoid, sternothyroid.

Question 6

What four sensory nerves come from the cervical plexus?

Answer 6

• transverse cervical n
• supraclavicular n
• lesser occipital n
• great auricular n

Question 7

What two cranial nerves intermix with nerves of the cervical plexus?

Answer 7

• hypoglossal n

- spinal accessory

Question 8

What motor nerve comes from the levels 3, 4, and 5 of the cervical plexus?

Answer 8

Phrenic n. 3, 4, 5 keeps the diaphragm alive

Question 9

Name the cartilage that moves vocal chords

Answer 9

arytenoid cartilage

Question 10

cartilage associate with 1st branchial arch

Answer 10

Meckel’s Cartilage

Question 11

What branchial arch is associated with the tensor vali palatini?

Answer 11

Arch 1

Question 12

What is the fascia associated with the thyroid gland

Answer 12

Pretracheal

Question 13

The trapezius is innervated by what cranial nerve?

Answer 13

CN XI (spinal accessory)

Question 14

What branchial arch is associated with the orbicularis oris?

Answer 14

Arch 2

Question 15

What joint is associated with the motion of NO

Answer 15

atlanto-axial joint

Question 16

The palatopharyngeal muscle is innervated by with cranial nerve

Answer 16

CN 10 (vagus)

Question 17

The frontalis is innervated by which nerve?

Answer 17

Temporal branch of CN VII

Question 18

If I stick a pin through your medial zygoma, which nerve will be stimulated?

Answer 18

zygomatic branch of CN V

Question 19

If I insert a needle 1 inch below the the angel of your mandible, which nerve will be stimulated?

Answer 19

Glossopharyngeal CN IX

Question 20

Which cranial nerve innervates the stapedius muscle?

Answer 20

CN VII

Question 21

Which structures pass through the orbital fissure?

Answer 21

ophthalmic nerve, CN 3, 4, 6

Question 22

Which branchial arch is associated with cranial nerve 7?

Answer 22

Arch 2

Question 23

Which muscle is located within the vocal fold?

Answer 23

vocalis

Question 24

Which structure contains the greatest flow of lymph fluid?

Answer 24

thoracic trunk

Question 25

If a pt presents with an infection on the tip of their tongue, which lymph nodes will the infection drain to?

Answer 25

submental lymph nodes

Question 26

Which fascia is around the trapezius, sternocleidomastoid, parotid, and submandibular gland?

Answer 26

Investing fascia

Question 27

Which branchial pouch does the superior parathyroid gland come from?

Answer 27

4th pouch

Question 28

Taste innervation to the tongue posterior to the terminal sulcus is done by which cn?

Answer 28

CN IX (glossopharyngeal)

Question 29

sternohyoid innervation is done by which nerve?

Answer 29

ansa cervicalis

Question 30

the external jugular vein is formed by which two veins?

Answer 30

retromandibular and posterior auricular veins

Question 31

What structure transverses the foramen transversarium?

Answer 31

vertebral artery

Question 32

Which is the only laryngeal muscle not to be innervated by the recurrent laryngeal nerve?

Answer 32

cricothyroid muscle

Question 33

which cranial nerve innervates the mylohyoid muscle?

Answer 33

CN V

Question 34

Which nerve innervates the mentalis muscle?

Answer 34

mandibular branch of CN VII

Question 35

A pt is in need of an emergency airway. Where is it placed?

Answer 35

between the cricoid and tracheal cartilage

Question 36

Which muscle abducts the true vocal chords

Answer 36

posterior cricoarytenoid

Question 37

The lingual artery is a branch of what vessel?

Answer 37

external carotid

Question 38

A pt presents with pain in their third molar area. They have a mass that is 1-2 cm in size, fixed and has multiple locations. What should be your concern?

Answer 38

cancer that has metastasized

Question 39

Which ganglion is associated with the parotid gland?

Answer 39

otic ganglion

Question 40

Which nerve innervates the palatoglossus muscle?

Answer 40

CN X (vagus)

Question 41

The lateral rectus muscle is innervated by which nerve?

Answer 41

abducent nerve

Question 42

The larynx is innervated by which nerve?

Answer 42

CN X (vagus)

Question 43

Which is the worst prognosis?

Answer 43

bilateral cancerous lymph nodes

Question 44

The crocoid cartilage is formed by which branchial arch?

Answer 44

4th arch

Question 45

The superior pharyngeal constrictor is innervated by which nerve?

Answer 45

CN X

Question 46

Where is the preganglionic cell body that leads to production of tears?

Answer 46

Superior salivatory nucleus

Question 47

What function does the parathyroid gland do?

Answer 47

regulates clacium

Question 48

The superior oblique muscle is innervated by which nerve?

Answer 48

Trochlear nerve