Neck

Question 1

What forms the borders of the anterior triangle?

Answer 1

inferior mandible, anterior sternocleidomastoid, midline of neck

Question 2

What forms the borders of the posterior cervical triangle?

Answer 2

superior border of trap, clavicle, posterior sternocleidomastoid

Question 3

What to muscles have 2 bellys and also change direction?

Answer 3

omohyoid and digastric

Question 4

Ludwigs angina

Answer 4

chest pain due to infection of oral cavity

Question 5

What nerve innervates all muscles of facial expression?

Answer 5

CN VII Facial

Question 6

What muscles are within the enveloping layer of deep cervical fascia?

Answer 6

trapezius; sternocleidomastoid

Question 7

What is contained w/i the carotid sheath?

Answer 7

internal jugular; vagus n.; common carotid

Question 8

What lies within the subcutaneous tissue/superficial fascia of neck?

Answer 8

the platysma muscle and the external jugular v

Question 9

What is located in the pretracheal fascia aka buccopharyngeal fascia?

Answer 9

esophagus, trachea, and thyroid

Question 10

What does the prevertebral fascia envelope?

Answer 10

deep muscles of the back and posterior neck muscles

Question 11

What membrane is pierced when performing an emergency trach?

Answer 11

cricothyroid membrane

Question 12

What artery pierces the thyrohyoid membrane to supply the larynx?

Answer 12

superior laryngeal a.

Question 13

What are the branches of the thyrocervical trunk?

Answer 13

inferior thyroid; ascending cervical; suprascapular; transverse cervical

Question 14

What a. does the thyrocervical trunk branch off of?

Answer 14

brachiocephalic trunk

–> r. subclavian

Question 15

What vein is responsible for draining the face? And what one drains the cranial vault?

Answer 15

external jugular drains the face and internal jugular drains the cranial vault

Question 16

What cervical nerves make up the cervical plexus?

Answer 16

C1-C4

Question 17

Which triangle of the neck is motor in terms of cervical plexus branches?

Answer 17

anterior triangle

Question 18

Which triangle of the neck is sensory in terms of cervical plexus branches?

Answer 18

posterior triangle

Question 19

Which cervical nerve gives rise to the phrenic nerve? and what are the functional components of the phrenic nerve?

Answer 19

C4; SA SE VA VE - NO parasympathetics

Question 20

Ansa cervivalis inn what muscles?

Answer 20

omohyoid; sternohyoid; sternothyroid

Question 21

Where in the neck does ansa cervicalis run?

Answer 21

over the internal jugular and common carotid

Question 22

Where do the sympathetic chain ganglia of the cervical area supply?

Answer 22

superior CG: eyes

Middle and inferior CG: face

Question 23

If the cervical sympathetic chain is damaged, what syndrome is produces?

Answer 23

Horner’s Syndrome

Question 24

Horner’s Syndrome

Answer 24

ptosis of eyelid; constriction of pupil; dry face

Question 25

What are the structures that influence bp and respiration?

Answer 25

carotid body; carotid sinus; aortic arch receptors

Question 26

What nerves branches off trigeminal that has clinical significance when at dentist?

Answer 26

nerve to mylohyoid

Question 27

Ansa cervicalis innervates:

Answer 27

strap muscles of the neck and omohyoid

Question 28

What innervates thyrohyoid?

Answer 28

C1 (not ansa) via hypoglossal n.

Question 29

What innervates cricothyroid?

Answer 29

Vagus

Question 30

Sialadenitis

Answer 30

inflammation/infection of the salivary glands usually due to blockage of a duct by a stone; presents w/ uni/bilateral swelling of glands; treated w/ high does antibiotics

Question 31

Carotid endarterectomy

Answer 31

atherosclerotic plaque removed from carotid a. to restore blood flow to brain; usually only done if blockage is > 90%

Question 32

Branchial Cleft (Arch) Cyst

Answer 32

when remnants of the embryologic structure don't recede normally and become infected; always on lateral side;

Question 33

What muscles does the accessory n supply?

Answer 33

sternocleidomastoid and trapezius (as a cutaneous n.)

Question 34

Where do motor fibers of the cervical plexus run?

Answer 34

deep to sternocleidomastoid to innervate muscles of the anterior triangle

Question 35

Where does the sensory component of the cervical plexus run?

Answer 35

leaves the posterior triangle to inn skin of the head and neck and shoulders

Question 36

thyroglossal duct cyst

Answer 36

presents on midline; 1/2 population have pyramidal lobe and duct left from the course development

Question 37

The recuurent laryngeal nerve branches off of ?

Answer 37

vagus n.

Question 38

recurrent laryngeal nerve supply

Answer 38

motor supply to larynx; travels behind thyroid gland

Question 39

What nerve is most commonly injured during a thyroidectomy?

Answer 39

recurrent laryngeal n. (presents w/ horse speech)

Question 40

Torticollis

Answer 40

spasm of sternocleidomastoid - will turn the head to opposite side

Question 41

CN XI injury

Answer 41

(superficial)can occur w/ trauma, forceful lateral extension of neck, lymph node biopsy, etc.; results in inability to shrug shoulder If pt has lesion in posterior triangle, ALWAYS refer them