anatomy of head and neck 1 :)

Question 1

thyroid cartilage

Answer 1

adams apple

u shaped

Question 2

cricoid thyroid membrane

Answer 2

membrane of connective tissue between the thyroid and cricoid cartilage

Question 3

hyoid bone

Answer 3

does not articulate with any other bones in the body

held in place by ligaments and muscles

Question 4

cricoid cartilage

Answer 4

backwards facing signet ring

Question 5

attatchments of thyroid cartilage

Answer 5

superioally - ligaments to hyoid

inferiorally - cricoid cartilage

Question 6

what is the only complete cartilage ring in the respiratory tract

Answer 6

cricoid

Question 7

which cartilage is above the other

Answer 7

thyroid is higher

Question 8

typical cervical vertebrae

Answer 8

C4
small body 
transverse foramina to allow passage of vertebral arteries and viens
biphid spinous processes
verterbral foramen

Question 9

atlas

Answer 9

has transverse ligament to hold axis

does not have a body

Question 10

what movement does atlas and axis allow

Answer 10

pivot/rotation

nodding movement

Question 11

what does atlas articulate with

Answer 11

occipital condyles on base of skull

Question 12

what is different in children with axis

Answer 12

function of dens to atlas is incomplete
- leads to dislocation of dens and spinal cord damage

Question 13

muscles of the neck

Answer 13

digastric muscle
sternocleidomastoid
trapezius

Question 14

which is the largest muscle in the neck

Answer 14

sternocleidomastoid

Question 15

what does each digastric muscle have

Answer 15

anterior and posterior bellies

attached by a tendon

Question 16

where does the anterior belly attach

Answer 16

digastric body on inside of mandible body

back to hyoid bone

Question 17

where does the posterior belly of digastric attach

Answer 17

mastoid notch forward to hyoid bone

Question 18

actions of the digastric muscle

Answer 18

depresses mandible (opening mouth)
elevates larynx (raises hyoid bone)

Question 19

what does the sternocleidomastoid muscle have

Answer 19

two heads

sternal and clavicular

Question 20

where does the sternocleicodmastoid muscle attach to

Answer 20

mastoid bone (process of temporal bone)

Question 21

what does the sternocleidomastoid muscle do

Answer 21

flexion of the neck

Question 22

actions of trapezius

Answer 22

elevate clavical
extend neck
shrug shoulders

Question 23

where is the trapezius found

Answer 23

extends from occipital bone to clavicle and scapula

Question 24

how many triangles of the neck are there

Answer 24

4

2 anterior 2 posterior

Question 25

posterior triangle of neck

Answer 25

base - clavical anterior border - posterior border of sternocleidomastoid posterior border - anterior border of trapezius

Question 26

anterior triangle of the neck

Answer 26

upside-down triangle base - mandible anterior border - anterior midline of neck to sternal notch posterior - anterior border of sternocleidomastoid

Question 27

accessory nerve

Answer 27

motor innovation to sternoclidomatoid and trapezius

Question 28

where does the accessory nerve run

Answer 28

posterior border of sternocleidomastoid running along levator scapulae

Question 29

testing for function of CN XI

Answer 29

turn head | shrug shoulders against resistance

Question 30

function of levator scapulae

Answer 30

elevates scapula

Question 31

function of supra hyoid muscles

Answer 31

elevate hyoid bone and larynx | allows mouth to open

Question 32

function of infrahyoid muscles

Answer 32

depresses hyoid bone and larynx

Question 33

what does the aorta spill into

Answer 33

brachiocephaglic, right subclavinc and common carotid | left CC and subclavain

Question 34

what does the subclavian supply

Answer 34

oxygenated blood to the shoulders | down the arm

Question 35

what does the common carotid branch into and where

Answer 35

C3/4 | internal/external common caritod

Question 36

what does the interior cc supply

Answer 36

brain

Question 37

what branches off the external CC

Answer 37

superior thyroid artery to thyroid gland

Question 38

what does the external CC supply

Answer 38

face and neck

Question 39

what does the vertebral artery supply

Answer 39

brain | branch off subclavian

Question 40

what do all the veins from the head drain back into

Answer 40

brachiocephalic veeins | formed from internal jugular and subclavian bran

Question 41

what do the L and R brachiocephaglic veins form

Answer 41

superior vena cava

Question 42

what does the interior jugular vein drain

Answer 42

superficial regions of face and neck

Question 43

what does the external jugular veins drain

Answer 43

blood from temple and scalp

Question 44

retromandibular vein

Answer 44

behind mandible anterior and posterior branches anterior joins to form internal JV posteror hones with posterior auricular to form EJV

Question 45

what do veins allow pathogenically

Answer 45

infection to spread from superficial to deep structures

Question 46

carotid sheath

Answer 46

layer of facia in neck houses IJV and CC vagus nerve

Question 47

where does the CC artery branch

Answer 47

c3/4

Question 48

thyroid gland

Answer 48

wraps around trachea | formed by two main lobes joined by isthmus

Question 49

what is the thyroid gland supplied by

Answer 49

superior thyroid artery | inferior thyroid branch of thyrocervical trunk

Question 50

what type of gland is the thyroid gland

Answer 50

endocrine

Question 51

emergency airway

Answer 51

in the cricothyroid membrane | tracheostomy tube inserted