Anterior and posterior triangles of the neck

Question 1

What are the borders of the posterior triangle

Answer 1

sternocleidomastoid, trapezius, middle third of clavicle

Question 2

what muscles are found in the floor posterior triangle of the neck

Answer 2

semispinalis capitis, splenius capitis, levator scapulae, and scalene muscles (deep to prevertebral fascia)

also inferior belly of omohyoid

Question 3

what structures make up the roof of the posterior triangle

Answer 3

skin, superficial fascia and investing layer of deep cervical fascia

Question 4

what nerve can be found in the posterior triangle

Answer 4

accessory nerve

Question 5

what branches of the cervical plexus occur in the posterior triangle

Answer 5

lesser occipital (C2)
great auricular (C3)
transverse cervical (C2,3)
supraclavicular (C3,4)

Question 6

name the strap muscles

Answer 6

sternohyoid, sternothyroid, thyrohyoid, omohyoid

Question 7

what artery is deep to omohyoid

Answer 7

subclavian

Question 8

what are the branches of the thyrocervical trunk of the subclavian artery

Answer 8

inferior thyroid artery, suprascapular artery and transverse cervical artery

Question 9

what fascia does the external jugular vein pierce en route to the subclavian vein

Answer 9

investing fascia

Question 10

where are the anterior jugular veins

Answer 10

run vertically in the neck near the midline in the superficial fascia

Question 11

what muscles does the hyoid bone attach to

Answer 11

strap muscles

Question 12

what structures does the stylohyoid ligament attach to

Answer 12

styloid process and the lesser cornu of the hyoid bone

Question 13

what muscles can be found deep to sternohyoid and sup belly of omohyoid

Answer 13

thyrohyoid and sternothyroid

Question 14

what muscle joins the cricoid and thyroid cartilages together

Answer 14

cricothyroid

Question 15

what tracheal rings are covered by the thyroid gland

Answer 15

2-4

Question 16

what muscles form the floor of the mouth

Answer 16

mylohyoid and ant belly of digastric

Question 17

where is the facial artery

Answer 17

lateral to digastric and passing over the lower margin of the mandible

Question 18

what structures can be found deep to mylohyoid

Answer 18

hypoglossal nerve and geniohyoid

Question 19

what is the function of ansa cervicalis

Answer 19

innervates the sternothyroid muscle, sternohyoid muscle, and the omohyoid muscle (infrahyoid muscles)

Question 20

where is the carotid sinus found

Answer 20

upper border of thyroid cartilage (c3/4)

Question 21

what does the external carotid artery terminate as

Answer 21

the superficial temporal and maxillary artery

Question 22

what does the maxillary artery supply

Answer 22

deep structures of the face

Question 23

what is the superior laryngeal artery a branch of

Answer 23

superior thyroid artery

Question 24

name some branches of the external carotid

Answer 24

superior thyroid artery, lingual, facial, occipital, post auricular, maxillary, sup temporal

Question 25

what artery can be found in the infratemporal fossa

Answer 25

maxillary artery

Question 26

what is the middle meningeal artery a branch of (supplies the dura mater)

Answer 26

maxillary artery

Question 27

which cervical vertebrae transmit the vertebral artery

Answer 27

C1-6

Question 28

which cervical vertebrae have bifid spinous processes

Answer 28

c3-6

Question 29

what are the unique features of the atlas

Answer 29

absence of a body
groove on the posterior arch made by the vertebral artery
concave superior facets that articulate with the occipital condyles
almost transverse articular facets that articulate with C2

Question 30

what features are unique to C2

Answer 30

dens and articular facet

Question 31

how many cervical spinal nerves are there

Answer 31

8 (only 7 vertebrae)