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Anatomy exam 5 > Posterior Triangle of the Neck > Flashcards

Posterior Triangle of the Neck Flashcards

1
Q

Fascia of neck immediately deep to skin

A

Superficial Fascia

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2
Q

What makes up the superficial fascia of the neck

A

Comprised of loose connective tissue & fat (Subcutaneous tissue)

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3
Q

Fascia deep to the superficial fascia

A

Deep Fascia

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4
Q

What makes up the Deep fascia of the neck

A

Dense, organized connective tissue layer

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5
Q

Fat in the Deep Fascia

A

lol,no

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6
Q

Fascia that envelops most body structure deep to skin and subcutaneous tissue

A

Deep Fascia

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7
Q

Compartment of neck that contains trachea, esophagus, and thyroid gland

A

Visceral compartment

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8
Q

Compoartment of the neck that contains the common carotid artery and the internal jugular vein, and CN X

A

Vascular compartment (2)

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9
Q

Compartment that contains the vertebra, associated muscles, and spinal cord

A

Vertebral compartment

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10
Q

Deep fascia that surround the trapesius, and Sternocleidoidmastoid mm, & infrahyoid mm

A

Investing fascia

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11
Q

Pretracheal fascia and buccopharyngeal fascia relationship

A

Pretracheal is anterior and buccopharyngeal is posterior, but both the same layer.

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12
Q

Deep Fascia of neck that surrounds the thyroid, trachea, esophagus & posterior surface of the infrahyoid mm.

A

Pretracheal Fascia

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13
Q

Deep Fascia of the neck that surrounds the pharynx posteriorly

A

Buccopharyngeal fascia

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14
Q

Anterior layer of prevertebral fascia that runs behind the buccopharyngeal fascia

A

Alar fascia

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15
Q

Deep Fascia of the neck that surrounds prevertebral & deep back mm

A

Prevertebral fascia

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16
Q

Column of fascia that surround the common carotid artery, Internal Carotid artery, internal Jugular Vein, and Vegus nerve

A

Carotid sheath

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17
Q

What contributes to the Carotid sheath

A

Investing, buccopharyngeal, and Prevertebral fascia

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18
Q

Fascia layers going posteriorly behind the pharyngeal wall

A 
Buccopharyngeal fascia
space
Alar fascia
space
prevertebral fascia
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19
Q

space between the buccopharyngeal fascia and the alar fascia

A

retropharyngeal space

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20
Q

space between the alar fascia and prevertebral fascia

A

Prevertebral space (DANGER)

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21
Q

Fascia of neck extrend to where

A

Base of skull

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22
Q

where the alar layer stops inferiorly

A

bifurcation of the trachea

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23
Q

where the Carotid Sheath is found

A

between Sternoclavomastoid m and prevertebral muscles

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24
Q

Sheath formed by condensation of deep cervical fascia

A

Carotid Sheath

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25
Q

Infection/blood in carotid sheath may spread from

A

skull down into middle mediastinum

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26
Q

where does the external carotid leave the carotid sheath

A

at the bifurcation so it can go outside to give branches to the face

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27
Q

where the pretracheal space is found

A

between trachea and infrahyoid mm

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28
Q

Where does the pretracheal space extend from and can spread infections

A

thyroid cartilage down into anterior mediastinum

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29
Q

location of the retropharyngeal space

A

between buccopharyngeal and alar fascia

30
Q

the retropharyngeal space extends from and can spread infections

A

skull base down into superior mediastinum

31
Q

The prevertebral “danger” space is between

A

Alar and prevertebral fascia

32
Q

Infection of the prevertebral “danger” space can spread from

A

skull base down into posterior mediastinum, Notorious for inferior spread of infections

33
Q

horizontal zone 1 of the neck

A

thoracic inlet to cricoid cartilage

34
Q

horizontal zone 2 of the neck

A

cricoid cartilage to angle of the mandible

35
Q

horizontal zone 3 of the neck

A

angle of mandible to base of skull

36
Q

anterior point of hyoid vertebral level

A

CIII-CIV

37
Q

vertebral level of bifurcation of external and internal carotid

A

CIII-CIV

38
Q

vertebral level of inferior extent of the larynx

A

CV-CVI

39
Q

borders of the posterior cervical triangle

A

Sternoclavomastoid muscle=ant
Trapezius muscle=post
Mider 1/3 of clavicle=inferior

40
Q

Contents of posterior cervical triangle (superficial to deep)

A 
Platysma m
External jugular V
Cutaneous nerves
motor nerves
transverse cervical and suprascapulat aa
deep musclesd
41
Q

where is external jugular vein found

A

the external surface of sternoclavomastoid muscle

42
Q

Cutaneous nerves of the cervical plexus

A 
Lesser occipital (C2-C3)
Great auricular (C2-C3)
TRansverse cervical (C2-C3)
Supraclavicular (C3-C4)
43
Q

Where do cutanous nerves emerge

A

deep to scm at erb’s point

44
Q

travel of lesser occipital nerve(C2-C3)

A

runs superiorly along posterior border of SCM, crosses over portion of occipital

45
Q

what does the lesser occipital nerve (C2-C3) cupply

A

skin of scalp at apex of posterior triangle

46
Q

travel of great auricular nerve (C2-C3)

A

ascends vertically on surface of sternoclavomastoid with the external jugular vein superior toward ear

47
Q

What does the great auricular nerve supply

A

lobe and skin posterior to auricle, and angle of mandible to mastoid process

48
Q

travel of the transverse cervical nerve (C2-C3)

A

runs transversely across middle of sternoclavomastoid muscle

49
Q

transverse cervical nerve supplies

A

skin of anterior cerivcal triangle and lateral neck

50
Q

branches of the supraclavicular nerves(C3-C4)

A

medial, intermediate & lateral (posterior) nerves

51
Q

travel of the supreclavicular nerves (C3-C4)

A

superficial to clavicle and deep to platysma

52
Q

what does the supraclavicular nerves (C3-C4) supply

A

skin of clavicular region

53
Q

Motor nerves of the posterior triangle

A 
Accessory Nerve (CN XI)
Phrenic N (C3-C5)
54
Q

travel of the accessory nerve (CN XI)

A

emerges from jugular foramen of skull to run diagonally through the triangle deep to investing fascia

55
Q

the accessory nerve (CN XI) supples

A

Sternoclavomastoid and trapezius mm

56
Q

travel of the phrenic nerve (C3-C5)

A

Descends vertically along anterior scalene m,
crossed anteriorly by transverse cervical artery and suprascapular a,
enters throrax between subclavian v & a.
travels along pericardial sac

57
Q

the phrenic nerve supplies

A

the diaphram

58
Q

The external jugular vein drains into

A

subclavian vein

59
Q

the transverse cervical artery arises from

A

thyrocervical trunk

60
Q

the suprascapular a arises from

A

thyrocervical trunk

61
Q

Deep muscles of the posterior triangle

A

splenius capitis
levator scapulae
3 scalene mm
omohyoid m (inferior belly)

62
Q

action of spenius captitis m

A

extend and laterally rotate head and neck

63
Q

innervation of splenius capitis m

A

dorsal rami of spinal nerves

64
Q

action of levator scapulae m

A

elevate scapula

65
Q

innervation of levator scapulae m

A

Dorsal scapular n (C5)

66
Q

3 scalene muscles

A

anterior, middle, and posterior

67
Q

action of the 3 scalene muscles

A

Tilt neck laterally

68
Q

Innervation of the 3 scalene muscles

A

Ventral rami C3-C8 nn

69
Q

where the interscalene triangle is found

A

between the anterior and middle scalene msucles and 1st ribdeep to posterior cervical triangle

70
Q

what does the interscalene triangle transmit

A

brachial plexus nerves and subclavian artery

71
Q

Subclavian v and anterior scalene muscels

A

subclavian vein passes anterior to scalene muscles

Anatomy exam 5 (18 decks)

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