Superficial Structures of the Neck

Question 1

What is the innervation of the platysma?
A. Facial Nerve
B. Accessory Nerve
C. Occipital Nerve
D. Platysma Nerve

Answer 1

A. Facial Nerve

Question 2

What is the function of the platysma?

Answer 2

Depresses mandible and draws down corner of mouth

Question 3

What is the innervation of the Sternocleidomastoid?
A. Occipital Nerve
B. Accessory Nerve
C. Maxillary Nerve
D. Facial Nerve

Answer 3

B. Accessory Nerve

Question 4

What is the function of the sternocleidomastoid?

Answer 4

chief flexor of the head

Question 5

What are the 3 types of Torticollis?

Answer 5

Congenital
Muscular
Spasmodic

Question 6

What is congenital torticollis?

Answer 6

fibrous tissue build up (tumor) at or shortly after birth

Question 7

What is muscular torticollis?

Answer 7

due to birth injury

Question 8

What is spasmodic torticollis?

Answer 8

occurs in adults due to abnormal tonicity

Question 9

What is the most common torticollis and can be treated by chiropractors?

Answer 9

Spasmodic Torticollis

Question 10

What is the innervation of the Trapezius?

Answer 10

Accessory Nerve and C3 and C4

Question 11

What is the function of the Trapezius?

Answer 11

upper portion elevates
middle portion retracts
lower portion depresses the scapula

Question 12

What does the external jugular vein drain?

Answer 12

face and scalp

Question 13

What two veins connect to make the external jugular vein?

Answer 13

Retromandibular and posterior auricular vein

Question 14

What does the external jugular vein drain into?

Answer 14

subclavian vein

Question 15

Which of the following is not a tributary of the external jugular vein?
A. Retromandibular vein
B. Posterior Auricular Vein
C. Posterior External Jugular vein
D. Anterior Jugular Vein
E. Transverse Cervical Vein
F. Lateral Cervical Vein
G. Suprascapular Vein

Answer 15

F. Lateral Cervical Vein

Question 16

Who is most prone to having Prominent External Jugular Vein?

Answer 16

opera singers and bagpipe players

Question 17

What two conditions can cause prominent external jugular vein?
A. Congestive Heart Failure
B. Obstruction of superior vena cava
C. Stroke
D. Heart Attack

Answer 17

A and B

Congestive Heart Failure and Obstruction to superior vena cava

Question 18

Which of the following borders are not associated with the posterior triangle?
A. Anterior 
B. Posterior 
C. Superior
D. Inferior

Answer 18

C. Superior Border

Question 19

What makes the anterior border of the posterior triangle?

Answer 19

posterior border of sternocleidomastoid

Question 20

What makes the posterior border of the posterior triangle?

Answer 20

anterior border of trapezius

Question 21

What makes the inferior border of the posterior triangle?

Answer 21

superior border of middle third of clavicle

Question 22

Which of the following borders are not associated with the anterior triangle?
A. Superior
B. Anterior
C. Posterior
D. Lateral

Answer 22

D. Lateral

Question 23

What makes the superior border of the anterior triangle?

Answer 23

inferior border of mandible

Question 24

What makes the anterior border of the anterior triangle?

Answer 24

anterior midline

Question 25

What makes the posterior border of the anterior triangle?

Answer 25

anterior border of sternocleidomastoid

Question 26

``` Which of the following is not a subdivision of the anterior triangle? A. submental triangle B. submandibular triangle C. Carotid triangle D. subcostal triangle E. muscular triangle ```

Answer 26

D. subcostal triangle

Question 27

What are the boundaries of the submental triangle?

Answer 27

left and right anterior bellies of digastric and body of hyoid bone

Question 28

What is the floor of the submental triangle?

Answer 28

mylohyoid muscle

Question 29

What are the boundaries of the submandibular triangle?

Answer 29

inferior border of mandible anterior belly of digastric posterior belly of digastric

Question 30

What is the floor of the submandibular triangle?

Answer 30

mylohyoid and hyoglossus muscle

Question 31

``` Which of the following is not located inside the sudmandibular triangle? A. submandibular gland B. Internal Carotid Artery C. Facial artery D. Internal jugular E. glossopharyngeal Nerve F. External Carotid Artery G. Vagus Nerve ```

Answer 31

F. External Carotid Artery

Question 32

What are the boundaries of the Carotid Triangle?

Answer 32

posterior belly of digastric superior belly of omohyoid anterior border of sternocleidomastoid

Question 33

``` Which of the following is not located inside the carotid triangle? A. External Carotid Artery B. Superior Thyroid Artery C. Lingual Artery D. Glossopharyngeal Artery E. Facial Artery ```

Answer 33

D. Glossopharyngeal Artery

Question 34

What are the boundaries of the Muscular Triangle?

Answer 34

superior belly of omohyoid anterior midline of neck anterior border of sternocleidomastoid

Question 35

``` Which of the following is not located inside the Muscular Triangle? A. Omohyoid B. Sternohyoid C. Sternothyroid D. thyroid gland E. Trachea and Esophagus ```

Answer 35

A. Omohyoid

Question 36

T/F Does the hyoid bone articulate with the mandible?

Answer 36

False it does not articulate with any other bone

Question 37

``` Which of the following is not a Infrahyoid Muscle? A. Omohyoid B. Sternohyoid C. Omothyroid D. Sternothyroid E. Thyrohyoid ```

Answer 37

C. Omothyroid

Question 38

``` Which 2 muscles are superficial? A. Omohyoid B. Sternohyoid C. Sternothyroid D. Thyrohyoid ```

Answer 38

A and B | Sternothyroid and Thyrohyoid are deep

Question 39

``` Which of the following Infrahyoid Muscles is not innervated by the ansa cervicalis? A. Omohyoid B. Sternohyoid C. Thyrohyoid D. Sternothyroid ```

Answer 39

C. Thyrohyoid

Question 40

What is the function of the omohyoid and sternohyoid muscles?

Answer 40

Depress hyoid bone and larynx

Question 41

What is the function of the sternothyroid?

Answer 41

depress larynx

Question 42

What is the function of the Thyrohyoid?

Answer 42

Depress the hyoid bone

Question 43

What are the 4 reasons the Infrahyoid muscles depress the hyoid bone and larynx?

Answer 43

1. swallowing 2. speech 3. respiration 4. hyoid is fixed, digastric depresses the mandible