Lecture 1-Posterior Triangle of the Neck Flashcards

1
Q

Superficial fascia, which is immediately deep to the skin and subcutaneous tissue, is comprised of… and…

A

loose connective tissue and fat

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Deep fascia is a dense,…. which is devoid of…. and envelops most body structures deep to skin and subcutaneous tissue

A
  • organized connective tissue layer

- fat

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

First superficial muscle in anterior neck is…

A

Platysma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

4 longitudinal columns in the neck and fascia are ….which are outlined by the deep fascia

A
  1. Visceral-anterior-some respiratory,GI and endocrine glands
  2. Vascular-2 lateral components- major vessels and CNX-vagus
  3. Vertebral-posterior-cervical vertebrae, muscle, SC
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

The deep fascia that surrounds the trapezius, SCM, and infrahyoid mm. is called the

A

Investing fascia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

The investing fascia is a deep fascia that surrounds these 3 muscles

A
  1. trapezius
  2. SCM mm.
  3. Infrahyoid mm.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

The deep fascia that surrounds the thyroid, trachea, esophagus and posterior surface of the infrahyoid muscles

A

Pretracheal fascia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

The pretracheal fascia is a deep fascia that surrounds these 3 structures and 1 muscle

A
  1. thyroid
  2. trachea
  3. esophagus
  4. posterior surface of infrahyoid mm.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

The buccopharyngeal fascia is a deep fascia that surrounds the…. posteriorly

A

pharynx

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

The deep fascia that surrounds the pharynx posteriorly is…

A

Buccopharyngeal fascia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

The prevertebral fascia surrounds the

A

prevertebral and deep back mm.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

The deep fascia that surrounds the prevertebral and deep back mm. is…

A

Prevertebral fascia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

The anterior layer of the prevertebral fascia is called the…. fascia which runs behind…

A
  • Alar

- Buccophrayngeal fascia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

The carotid sheath surrounds these 3 vessels and 1 nerve

A
  • Common Carotid a.
  • Internal Carotid a.
  • Internal Jugular v.
  • Vagus n.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

The first deep fascia after superficial will ne

A

investing fascia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

The buccopharyngeal is the posterior continuation of the …. fascia

A

pretracheal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

The… space is considered the “danger space” which is between…

A
  • Prevertebral

- Alar and rest of prevertebral

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

4 fascial spaces

A
  1. carotid sheath
  2. pretracheal space
  3. retropharyngeal space
  4. prevertebral space
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Infections or blood may spread with sheaths from skull down into…

A

middle mediastinum (were the heart is) so it can go to the rest of the body

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

The carotid sheath is between the… and…

A

SCM and prevertebral mm.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

The pretracheal space is between the… and …

A

Trachea and infrahyoid mm.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

The pretracheal space extends from the… down into…

A
  • thyroid cartilage

- anterior mediastinum (just behind the sternum)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

The Retropharyngeal space is between the… and … fascia

A

buccopharyngeal and alar fascia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

The retropharyngeal space extends from the…. down into the… until the…. level

A
  • skull base
  • superior mediastinum
  • T4
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

The prevertebral “Danger” space is between the… and … fascia

A

-alar and prevertebral fascia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

The prevertebral space extends from the…. down into the…. which is at level …

A
  • skull base
  • posterior mediastinum
  • T12
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

The prevertebral space is notorius for inferior spread of…

A

infections

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Zone 1 of the neck is from the…. to the…

A
  • thoracic inlet

- cricoid cartilage

29
Q

Zone 2 of the neck is from the… to the…

A
  • cricoid cartilage

- angle of mandible

30
Q

Zone 3 of the neck is from the… to the…

A
  • angle of mandible

- base of skull

31
Q

The boundaries of the posterior cervical triangle:
anterior-
posterior-
inferior-

A

anterior- SCM
posterior- Trapezius
inferior- middle 1/3 of clavicle

32
Q

The superficial contents of the posterior triangle are the…. and…

A
  • Platysma (passes obliguely on top)

- External Jugular vein

33
Q

The external jugular vein is deep to … muscle but superficial to… muscle

A

platysma

SCM (runs vertically on top)

34
Q

The… and … veins come together to form the EJV which runs down the… muscle and pierces the… fascia to drain into…

A
  • retromandibular and posterior auricular v.
  • SCM
  • Investing
  • Subclavian
35
Q

The 4 cutaneous nerves of the posterior triangle of the neck which all emerge deep to SCM at Erb’s point

A
  1. Lesser occipital (C2-3)
  2. Greater auricular (C2-3)
  3. Transverse cervical (C2-3)
  4. Supraclavicular (C3-4)
36
Q

Cord levels of:

  1. lesser occipital
  2. greater auricular
  3. transverse cervical
  4. supraclavicular
A

1,2,3 are all C2-C3

4. C3-C4

37
Q

The Lesser Occipital (C2-3) nerve runs … and… from Erb’s point, along posterior border of… and crosses over…. and supplies the skin of…

A
  • superiorly and anteriorly
  • SCM
  • occipital a.
  • scalp at apex of triangle
38
Q

The Greater Auricular nerve runs from Erb’s point and ascends vertically/diagonally on surface of… and runs with … superiorly toward ear

A
  • SCM

- EJV

39
Q

The Greater Auricular nerve (C2-3) supplies the… and skin posterior to the… as well as … to the…

A
  • lobe
  • auricle
  • angle of mandible to mastoid process
40
Q

The transverse cervical nerve (C2-3) runs… from Erb’s point across middle of the…and supplies skin of the…

A
  • transversely
  • SCM
  • anterior cervical triangle and lateral neck
41
Q

The transverse cervical nerve runs in the… direction of the transverse cervical artery (This is an exception to what n. and a. normally do)

A

opposite

42
Q

The Supraclavicular nn. (C3-4) runs superficial to… and deep to … and comes out of Erb’s point as 3 branches… and supplies the skin of…

A
  • Clavicle
  • Platysma
  • Medial, Intermediate and lateral nn.
  • clavicular region
43
Q

The motor nerves of the posterior triangle of the neck are

A

-Accessory (CNXI)

Phrenic n. (C3-C5)

44
Q

The accessory nerve (CNXI) emerges from the skull through the… foramen of the skull and runs… through the posterior triangle deep to the…fascia and supplies both …. and … mm

A
  • jugular
  • diagonally
  • investing
  • trapezius and SCM
45
Q

The phrenic nerve (C3-C5) descends vertically along the… and is crossed by the … and …. arteries and enters the thorax between the… artery and vein and travels along the pericardial sac to supply the…

A
  • anterior scalene
  • transverse cervical and suprascapular aa.
  • subclavian v. and a.
  • diaphragm
46
Q

Cord levels of phrenic nerve…

A

C3-C5

47
Q

Referred pain for pain on diaphragm will be in the clavicle/shoulder region because the… and … nn. share pathways.

A

phrenic and supraclavicular

48
Q

The 3 vessels of the Posterior triangle

A
  • EJV
  • Transverse cervical a.
  • Suprascapular a.
49
Q

The transverse cervical artery and suprasapular artery branch off of …. underneath the SCM

A

-thyrocervical trunk

50
Q

The deep muscles of the posterior triangle

A
  • splenius capitus
  • levator scapulae
  • 3 scalene mm. (ant, middle, post)
  • omohyoid m (inferior belly)
51
Q

The action of the splenius capitus

A

extend and laterally rotate head and neck

52
Q

Innervation of splenius ccapitus

A

dorsal rami of spinal nn.

53
Q

The action of the levator scapulae muscle

A

elevate scapula

54
Q

Innervation of levator scapulae

A

dorsal scapular n. (C5)

55
Q

Origin of levator scapulae

A

transverse process of C1-4

56
Q

Insertion of levator scapulae

A

Superomedial border of scapula

57
Q

Anterior Scalene Origin

A

trans. processes of C3-C6

58
Q

Middle Scalene Origin

A

trans. processes of C2-C7

59
Q

Posterior scalene origin

A

trans processes of C4-C6

60
Q

Insertion of anterior and middle scalene muscles.

A

1st rib

61
Q

Insertion of posterior scalene muscle

A

2nd rib

62
Q

All scalene muscles are innervated by…

A

ventral rami C3-C8 nn.

63
Q

The action of the scalene muscles is to

A

tilt neck laterally

64
Q

The… muscle crosses over the anterior scalene

A

inferior belly of the omohyoid

65
Q

The brachial plexus and the subclavian artery exit between the ….mm. and this is known as the…. triangle

A
  • anterior and middle scalene mm.

- interscalene

66
Q

The interscalene triangle is formed by

A

anterior and middle scalene and 1st rib

67
Q

The… and… pass through the interscalene triangle

A

brachial plexus and subclavian artery

68
Q

The … vein passes anterior to anterior scalene

A

subclavian vein