Muscles of the Head and Neck Flashcards


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created 6 years ago by Kelsey_Parker
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updated 6 years ago by Kelsey_Parker
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1

What are the muscles of facial expression>

frontalis

occipitalis

orbicularis oculi

orbicularis oris

buccinator

platysma

2

what innervates the muscles of facial expression?

facial nerve

3
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identify and name functions

frontalis m

draws scalp anteriorly, raises eyebrows, and wrinkles forehead

4
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identify and name functions

occipitalis m

draws scalp posteriorly

5

identify and name functions

orbicularis oculi

closes the eye

6

identify and name functions

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orbicularis oris

closes and protrudes lips

7
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identify and name functions

buccinator

presses cheek against teeth

8
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identify and name functions

platysma

draws out part of lower lip inferiorly and posteriorly (as in pouting) and tenses the skin of the neck

9
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10
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11

what are the muscles of mastication?

masseter m

temporalis m

medial pterygoid m

lateral pterygoid m

12

what innervates muscles of mastication?

mandibular division of trigeminal n CN V3

13
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identify and name functions

masseter; elevates mandible

14
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identify and name functions

temporalis m

elevates and retracts mandible

15

identify muscle in dark red and name functions

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medial pterygoid

elevates, protracts and moves mandible from side to side

16
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identify the muscle and name functions

lateral pterygoid

depresses, protracts and moves mandible from side to side

17

what are the neck muscles?

trapezius and sternocleidomastoid

18

what innervates the muscles of the neck

accessory n (CN XI)

19

O I A INN of trapezius

O superior nuchal line, external occipital protuberance, ligamentum nuchae, spinous process C7 & T1-T12 vertebrae

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

A elevates and retracts scapula

INN accessory n

20
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identify and name functions

sternocleidomastoid

bilaterlly flexes cervical portion of vertebral column

unilaterally rotates head to the side opposite of the contracting muscle

21

what are the suprahyoid muscles?

mylohyoid m

anterior and posterior bellies of the digastric m

stylohyoid m

geniohyoid muscle

22
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23

what is the function of the suprahyoid muscles?

elevate the hyoid bone

24
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25

name the infrahyoid muscles

sternohyoid

omohyoid

sternothyroid

thyrohyoid

26

function of infrahyoid muscles?

all depress the hyoid bone

27
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28

common carotid bifurcates into ______ and ______

internal and external carotid arteries

29
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name the artery just below the one in bright pink

common carotid a

30
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name the artery in bright pink

internal carotid a

31
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label

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32

draw anterior and posterior blood circulation in brain

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33

internal carotid artery ascends toward base of skull; gives off ______ branches in the neck

forms _______ circulation of the brain

NO; anterior

34

external carotid artery gives off ______ in the neck; supplies _____ and ____

many; neck and face

35

vertebral a. branches off ______ and forms _____ circulation of the brain

subclavian a.; posterior

36

external jugular vein is located ______; formed from ________

superficial to sternocleidomastoid; veins of external face, head, and neck

37

internal jugular vein is located _______; returns venous blood from ______

deep to sternocleidomastoid; inside the skull

38
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label

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39

draw flowchart of venous draining from the head and neck

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