Unit I superficial structures of neck

Question 1

Platysma origin

Answer 1

superficial fascia of pectoralis major and deltoids

Question 2

platysma insertion

Answer 2

lower border of mandible and angle of mouth

Question 3

platysma nerve

Answer 3

cervical branch of facial nerve (CN VII)

Question 4

platysma function

Answer 4

depresses mandible and draws down corner of mouth

Question 5

Sternoceidomastoid origin

Answer 5

sternal head of front of manubrium, clavicular head from medial 1/3 of clavicle

Question 6

sternocleidomastoid insertion

Answer 6

lateral surface of mastoid process, lateral half of superior nuchal line

Question 7

sternocleidomastoid nerve

Answer 7

Acessory nerve (CN 11)

Question 8

sternocleidomastoid function

Answer 8

chief flexor of head

Question 9

What is torticollis?

Answer 9

a pathological contraction of the SCM leaving the head tilted forward and away from affected side

Question 10

Describe type I toricollis

Answer 10

it is congenital and results from fibrous tissue tumor at or shortly after birth

Question 11

Describe type II torticollis

Answer 11

(muscular torticollis) due to injury at birth

Question 12

Describe type III torticollis

Answer 12

(Spasmadic) it’s in adults; due to abnormal tonicity; has good response to chiro care

Question 13

Trapezius origin

Answer 13

EOP, ligamentum nuchae, and spinous processes of C7-T12

Question 14

Trapezius insertion

Answer 14

lateral 1/3 of clavicle, spine of scapula, and acromion process

Question 15

Trapezius nerve

Answer 15

acessory nerve (CN XI), and C3-4 from cervical plexus

Question 16

Trapezius function

Answer 16

upper part elevates, middle retracts, and lower depresses scapula

Question 17

What vein drains the face and scalp and also contains cerebral blood?

Answer 17

the external jugular vein

Question 18

Just below the parotid gland, what two veins form the external jugular vein?

Answer 18

the retromandibular, and posterior auricular vein

Question 19

As the external jugular vein runs along the lateral surface of the SCM, what vein does it empty into?

Answer 19

the subclavian vein

Question 20

List the tributarie veins of the external jugular vein

Answer 20

1 retromandibular
2 posterior auricular
3 posterior external jugular
4 anterior jugular
5 transverse cervical
6 suprascalpular

Question 21

In congestive heart failure or obstruction of superior vena cava, this vein becomes prominent

Answer 21

external jugular vein

Question 22

Examples of individuals who develop prominent external jugular veins due to increases intrathoracic pressure during singing and playing

Answer 22

opera singers and bagpipers

Question 23

Describe the location of the superficial cervical lymph nodes

Answer 23

they’re found along the external jugular vein, superficial to the SCM