Neck 9/27/16 Flashcards Preview

Anatomy HFF > Neck 9/27/16 > Flashcards

Flashcards in Neck 9/27/16 Deck (70):
1

what are the bones of the neck?

-Vertebrae
-Hyoid Bone

2

What is the function of the hyoid bone?

Depress Mandible
Elevate Ribs
Depress Larynx

3

What is the outermost layer of the neck?

Skin

4

What is the fascial layer below the skin of the neck?

Superficial cervical fascia

5

What muscle do you find in the superficial cervical fascia?

Platysma muscle

6

What fascial layer do you find below the superficial cervical fascia?

Deep fascia

7

How many fascial layers are within the deep fascia?

4

8

What are the four deep fascial layers?

-Pretracheal fascia
-Prevertebral fascia
-Carotid Sheath
-Investing Fascia

9

What is the first deep layer fascia?

Investing fascia

10

What two muscles do you find in the investing fascia?

-Trapezius
-Sternocleidomastoid

11

What is a second layer near the front of the neck that you find below the investing fascia?

Pretracheal fascia

12

What nerve innervates the trapezius and SCM muscles?

The spinal accessory nerve

13

What do find in the pretracheal fascia?

-Infrahyoid muscles
-Thyroid gland
-Buccopharyngeal fascia

14

What are the three components of the pretracheal fascia?

-Muscular
-Visceral
-Buccopharyngeal

15

What deep fascial layer do you find behind the pretracheal fascia?

Prevertebral fascia

16

What do you find in the prevertebral fascia?

-Deep cervical muscles (Splenius/semispinalus)
-Levator Scapulae muscle
-Scalene muscle
-Longus Coli muscle

17

What do you find in the anterior direction of the prevertebral fascia?

Alar fascia

18

What is the sympathetic trunk found in?

The prevertebral fascia between the alar fascia and the prevertebral fasica

19

What are the two danger spaces?

-Retropharygeal space
-Alar Space

20

What is the deep fascial layer that contains that IJV, Carotid artery, and the vagus nerve?

Carotid Sheath

21

Where does the cervical plexus come from?

Ventral rami of C1-C4/C5

22

What three general things does the cervical plexus innervate?

-Cutaneous regions
-Muscular regions
-The diaphragm

23

What are the four cutaneous nerves from the cervical plexus?

-Lesser Occipital nerve
-Great Auricular nerve
-Transverse cervical nerve
-supraclavicular nerve

24

Where does the less occipital nerve come from?

C2

25

Where does the great auricular nerve come from?

C2 C3

26

Where does the transverse cervical nerve come from?

C2 C3

27

Where does the supraclavicular nerve come from?

C3 C4

28

Where does the Internal carotid artery serve?

Brain

29

What are two distinct features on the internal carotid artery?

-Carotid sinus
-Carotid body

30

What is unique about the carotid sinus?

It contains baroreceptors to sense pressure

31

Where do you find the carotid body?

On the inside side of the carotid sinus

32

What is unique about the carotid body?

It contains chemoreceptors

33

What nerve sends the information received by the carotid body?

Glossopharyngeal nerve

34

How many branches does the external carotid artery have coming off of it?

8

35

What is the first branch off of the external carotid artery?

Superior thyroid artery

36

What is the second branch off of the external carotid artery?

Ascending pharyngeal artery

37

What is the third branch off of the external carotid artery?

Lingual

38

What is the fourth branch off of the external carotid artery?

Facial

39

What is the fifth branch off of the external carotid artery?

Occipital

40

What is the sixth branch off of the external carotid artery?

Posterior Auricular

41

What are the last two branches (terminal branches of the external carotid artery?

-Maxillary
-Superficial Temporal

42

What does the internal jugular vein drain?

Brain and Face

43

What does the external jugular vein drain?

Face

44

Which vein allows blood to anastamoses with the external or internal jugular vein?

Retromandibular vein

45

Which vein would you drain into if both the retromandibular blocked the internal and external jugular veins?

Pterygoid plexus into the cavernous sinus

46

What muscles elevate the hyoid bone and larynx but can also help depress the mandible?

Suprahyoid muscle

47

Which belly of the digastric muscles are innervated by cranial nerve V branch 3?

Anterior belly

48

Which belly of the digastric muscles are innervated by cranial nerve VII?

Posterior belly

49

What innervates the stylohyoid muscle?

Facial nerve CN VII

50

What innervates the mylohyoid muscle?

CN V branch 3

51

What is the function of the mylohyoid muscle?

Elevate base of tongue and floor of mouth

52

What is the function of the longus coli muscle?

Flex the neck

53

Which part of the scalene muscles attach to the 1st transverse process?

Anterior
Middle

54

Which part of the scalene muscles attach to the 2nd transverse process?

Posterior

55

How many muscles are in the infrahyoid muscles?

5

56

What are the 5 infrahyoid muscles?

-Sternohyoid
-Omohyoid (superior head)
-Omohyoid (Inferior head)
-Thryohyoid
-Sternothyroid

57

What are the borders of the posterior triangle of the neck?

SCM
Trapezius

58

What fascial layer makes up the roof of the posterior triangle?

-Deep investing fascia

59

What fascial layer makes up the floor of the posterior triangle?

Prevertebral fascia

60

What do you find in the posterior triangle?

-Anterior scalene
-Cervical plexus
-External jugular vein
-Brachial plexus
-Middle scalene
-Splenius capitis
-Levator Scauplae
-Thryocerviacl trunk

61

What are the four triangles of the anterior triangle?

-Muscular
-Submental
-Submandibular
-Carotid

62

What are the borders of the muscular triangle?

-midline
-superior belly omohyoid
-SCM

63

What do you find in the muscular triangle?

Infrahyoid muscles

64

What are the borders of the submental triangle?

-Ant Digastric
-Ant Digastric
-Hyoid bone

65

What are the borders of the submandibular triangle?

Ant Digastric
-Post digastric
-Mandible

66

What branches off of the subclavian artery?

Vertebral
Thyrocervical trunk

67

What branches off of the thyrocervical trunk?

-Inferioir thyroid
-Ascending cervical (really branches off of the inferior thyroid)
-Transverse cervical
-Suprascapular

68

What do you find in the submandibular triangle?

-Submandibular gland and lymph nodes
-Lingual and facial arteries
-Hypoglossal nerve

69

What are the borders of the carotid triangle?

Superior omohyoid
-Posterior digastric
-SCM

70

What do you find in the carotid triangle?

Common, external, and internal carotid artery
-Int. Jug vein
-CN X, XI, XII
-some cervical plexus