Triangles of the neck

Question 1

what are the two main fascia of the neck?

Answer 1

Superifical cervical and deep cervical

Question 2

what are the 3 layers of the deep cervical fascia?

Answer 2

investing cervical layer, pretracheal, prevertebral

Question 3

What other fascial component extends from prevertebral layer?

Answer 3

carotid sheath

Question 4

what is the space created by the joining of the carotid shealth and alar fascia?

Answer 4

retropharyngeal space

Question 5

what is contained within the carotid shealth

Answer 5

common/internal carotid a. internal jugular, vagus n, carotid sinus, lymph

Question 6

Function of the platysma?

Answer 6

depresses the mandible

Question 7

function of the sternocleidmastoid?

Answer 7

flexion. ipsilateral rotation of the neck

Question 8

what does the trapezius act on?

Answer 8

the scapula

Question 9

What do the suprahyoid muscles do?

Answer 9

elevate the hyoid, depress the mandible

Question 10

name the four suprahyoid muscles?

Answer 10

mylohyoid, sylohyoid geniohyoid, digastric

Question 11

name the four infrahyoid muscles?

Answer 11

sternohyoid, omohyoid, throhyoid, sternthyroid

Question 12

function of the infrahyoid muscles

Answer 12

depress hyoid

Question 13

function of the scalenes?

Answer 13

bend the neck on the same side

Question 14

what are the two main triangles?

Answer 14

anterior and posterior

Question 15

what does the posterior triangle divide into?

Answer 15

occipital and supraclavicular

Question 16

what does the anterior triangle divide into?

Answer 16

submandibular and submental…Carotid and muscular